{"id":39468,"date":"2024-05-15T21:10:37","date_gmt":"2024-05-15T16:40:37","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=39468"},"modified":"2026-04-06T15:48:47","modified_gmt":"2026-04-06T12:18:47","slug":"map-in-js","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/map-in-js\/","title":{"rendered":"Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &#8211; \u0622\u0645\u0648\u0632\u0634 \u0645\u067e \u0628\u0647 \u0635\u0648\u0631\u062a \u0633\u0627\u062f\u0647 \u0648 \u06a9\u0627\u0645\u0644"},"content":{"rendered":"\n<p>Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u062c\u0641\u062a\u200c\u0647\u0627\u06cc (\u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631) \u0627\u0633\u062a. \u067e\u06cc\u0634 \u0627\u0632 \u0645\u0639\u0631\u0641\u06cc Map \u062f\u0631 javascript\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0635\u0627\u0628 \u06a9\u0644\u06cc\u062f \u0628\u0647 \u0645\u0642\u062f\u0627\u0631\u060c \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc\u060c \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0631\u062f. \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0647\u0631 \u0634\u06cc\u0621 \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062f\u0627\u0631\u062f \u0648 type \u06a9\u0644\u06cc\u062f \u0627\u0634\u06cc\u0627\u0621 \u062a\u0646\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0646\u0648\u0639 string \u06cc\u0627 symbol \u0628\u0627\u0634\u062f.<\/p>\n\n\n\n<p>\u0627\u06cc\u0646\u200c\u062c\u0627\u0633\u062a \u06a9\u0647 \u0627\u0647\u0645\u06cc\u062a Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a javascript \u0648\u0631\u0698\u0646 ES6 \u0628\u0647 \u0628\u0639\u062f\u060c \u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0645\u0639\u0631\u0641\u06cc \u0627\u06cc\u0646 collection type \u062c\u062f\u06cc\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0633\u0628\u0628 \u0634\u062f \u062a\u0627 \u0646\u0648\u0627\u0642\u0635 \u0648 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0628\u0631\u0637\u0631\u0641 \u0634\u0648\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628\u060c \u0628\u0647 \u0645\u0639\u0631\u0641\u06cc Map \u062f\u0631 javascript \u067e\u0631\u062f\u0627\u062e\u062a\u0647\u200c\u0627\u06cc\u0645 \u0648 \u0628\u0647 \u0634\u0645\u0627 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u0645 \u06a9\u0647 \u0686\u0637\u0648\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f<\/h2>\n\n\n\n<p>\u0634\u06cc\u0621 Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062c\u0641\u062a\u200c\u0647\u0627\u06cc (\u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631) \u06cc\u0627 (key- value) \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0634\u06cc\u0621 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0645\u06cc\u200c\u0633\u067e\u0627\u0631\u062f \u06a9\u0647 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0647 \u0686\u0647 \u062a\u0631\u062a\u06cc\u0628\u06cc \u062f\u0631\u062c \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/asynchronous-javascript_1403-08-16-164330846\/9aac55caaf78a2a06de02cb4254f06cd.webp?expire=4893471932&#038;token=24bd2dc076a431f68bec7d4f99645c88&#038;md5=JL0twHakMfaL7H1PmWRciA==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 Asynchronous \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 Asynchronous \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-asynchronous-%D8%AF%D8%B1-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A7%D8%B3%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA-mk1120\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 Asynchronous \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f7\u06f9\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f5\u06f9\u06f9,\u06f2\u06f5\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f2\u06f5%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-asynchronous-%D8%AF%D8%B1-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A7%D8%B3%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA-mk1120\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<figure class=\"wp-block-image aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"873\" src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-2-1024x873.png.webp\" alt=\"Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f\" class=\"wp-image-39470\" title=\"\" srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-2-1024x873.png.webp 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-2-300x256.png.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-2-768x655.png.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-2-1536x1309.png.webp 1536w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39468-2.png 1544w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p>\u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f: <\/p>\n\n\n\n<p>\u0647\u0631 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u06cc\u06a9 Map\u060c \u062a\u0646\u0647\u0627 \u06cc\u06a9\u200c\u0628\u0627\u0631 \u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631\u060c \u00ab\u06a9\u0644\u06cc\u062f\u00bb \u062f\u0631 \u062a\u0645\u0627\u0645 \u062c\u0641\u062a\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u06a9\u0644 Map\u060c \u06cc\u06a9\u062a\u0627 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u0648\u0642\u062a\u06cc \u0634\u0645\u0627 \u0631\u0648\u06cc \u06cc\u06a9 Map \u0627\u0632 \u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc for\u2026of \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0628\u0647 \u0647\u0645\u0627\u0646 \u062a\u0631\u062a\u06cc\u0628\u06cc \u06a9\u0647 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0647 Map \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647 \u0628\u0648\u062f\u06cc\u062f (\u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0648\u062f\u0646 \u0628\u0647 Map \u0627\u0632 \u062a\u0627\u0628\u0639 Set \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f)\u060c \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f. \u062f\u0631 \u0647\u0631 \u06af\u0627\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631\u060c \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u06cc\u06a9 \u062c\u0641\u062a (\u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631) \u062f\u0631 Map \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n\n\n\n<p>\u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0632\u0645\u0627\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0639\u0646\u0627\u0635\u0631 Map\u060c \u0628\u0647\u062a\u0631 \u0627\u0632 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u062e\u0637\u06cc \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u062f. \u0686\u0631\u0627\u06a9\u0647 \u062f\u0631 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc Map\u060c \u062c\u062f\u0648\u0644\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0647\u0634 \u06cc\u0627 \u062f\u0631\u062e\u062a \u062c\u0633\u062a\u200c\u0648\u062c\u0648 \u0646\u06cc\u0632 \u0634\u0627\u0645\u0644 \u062e\u0648\u0627\u0647\u062f \u0634\u062f \u06a9\u0647 \u0627\u0632 \u0644\u062d\u0627\u0638 \u0632\u0645\u0627\u0646\u06cc \u0628\u0647\u06cc\u0646\u0647\u200c\u062a\u0631 \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p>* \u0646\u06a9\u062a\u0647: map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0628\u0633\u06cc\u0627\u0631 \u0645\u0634\u0627\u0628\u0647 \u0628\u0627 Hashmap \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u062a. Hashmap \u0646\u0648\u0639\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0639\u0646\u0627\u0635\u0631 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><style><\/style><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"183\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/bb85f561-8d02-483c-8167-8abbaab1ec8f-300x183.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u062c\u0645\u0639 \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/bb85f561-8d02-483c-8167-8abbaab1ec8f-300x183.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/bb85f561-8d02-483c-8167-8abbaab1ec8f-768x467.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/bb85f561-8d02-483c-8167-8abbaab1ec8f.jpg 1024w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/183;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/adding-two-arrays-in-javascript\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0622\u0645\u0648\u0632\u0634 \u062c\u0645\u0639 \u062f\u0648 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647<\/a>\n<\/section><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u062f filter \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u0627\u06af\u0631 \u0628\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0627\u0631 \u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u0642\u0637\u0639\u0627\u064b \u0628\u0647 \u0645\u0641\u0647\u0648\u0645 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u062f\u0631 \u0622\u0646 \u0628\u0631\u062e\u0648\u0631\u062f\u0647\u200c\u0627\u06cc\u062f. \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0646\u0648\u0639\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u0646\u062f. \u0645\u062a\u062f\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0647\u0645\u0627\u0646\u200c\u0637\u0648\u0631 \u06a9\u0647 \u067e\u06cc\u0634\u200c\u062a\u0631 \u0627\u0634\u0627\u0631\u0647 \u06a9\u0631\u062f\u06cc\u0645\u060c \u0645\u062a\u062f map \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u06af\u0632\u06cc\u0646\u0647\u200c\u0647\u0627 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u0648\u062c \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u062e\u0648\u062f \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u062a\u0627 \u0645\u062a\u062f \u062f\u06cc\u06af\u0631\u06cc \u0628\u0647 \u0646\u0627\u0645 <a href=\"https:\/\/maktabkhooneh.org\/mag\/filter-in-javascript\/\">\u0645\u062a\u062f filter \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/a> \u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<p>\u0645\u062a\u062f \u0641\u06cc\u0644\u062a\u0631 \u0646\u06cc\u0632 \u0645\u0627\u0646\u0646\u062f map \u06cc\u06a9 \u062d\u0644\u0642\u0647\u200c\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0627\u0633\u062a. \u0634\u0645\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u0645\u062a\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u0648 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647\u060c \u06cc\u06a9\u200c\u0633\u0631\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f. \u0647\u0645\u200c\u0686\u0646\u06cc\u0646 \u0647\u0631 \u062f\u0648 \u0645\u062a\u062f \u06cc\u06a9 function \u0631\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0627\u0644\u0628\u062a\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f \u0645\u062a\u062f filter \u0627\u0632 \u0645\u062a\u062f map \u0645\u062c\u0632\u0627 \u0627\u0633\u062a. \u06a9\u0647 \u062f\u0631 \u0628\u062e\u0634 \u0628\u0639\u062f\u06cc \u0628\u0647 \u0622\u0646 \u067e\u0631\u062f\u0627\u062e\u062a\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u0641\u0627\u0648\u062a map \u0648 filter \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u0645\u062a\u062f map \u0632\u0645\u0627\u0646\u06cc \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f \u06a9\u0647 \u0634\u0645\u0627 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u0633\u0631\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627 \u0631\u0648\u06cc \u062a\u06a9\u200c\u062a\u06a9 \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0631\u0648\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f\u060c \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0627 \u0639\u062f\u062f \u06f2 \u062c\u0645\u0639 \u0628\u0628\u0646\u062f\u06cc\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0627\u0632 \u0645\u062a\u062f map \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n\n\n\n<p>\u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f \u0645\u062a\u062f Filter \u0627\u0632 map \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u062a\u0641\u0627\u0648\u062a \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u0634\u0645\u0627 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062a\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0642\u0635\u062f \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u0622\u06cc\u062a\u0645\u200c\u0647\u0627\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0645\u062a\u062f \u0641\u06cc\u0644\u062a\u0631\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u062d\u062a \u0634\u0631\u0627\u06cc\u0637 \u062f\u0644\u062e\u0648\u0627\u0647 \u0634\u0645\u0627\u060c \u0628\u0631\u062e\u06cc \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0634\u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u062f \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u06a9\u0647 \u0639\u062f\u062f \u0622\u0646\u200c\u0647\u0627 \u0627\u0632 \u06f5\u06f0 \u0628\u0627\u0644\u0627\u062a\u0631 \u0627\u0633\u062a \u0631\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Foreach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>For each \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u06cc\u0632 \u0645\u062a\u062f \u062f\u06cc\u06af\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f. \u0634\u0645\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062a\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0622\u06cc\u062a\u0645\u200c\u0647\u0627\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0648 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u0641\u0627\u0648\u062a map \u0648 foreach<\/h2>\n\n\n\n<p>\u06af\u0631\u0686\u0647 \u062f\u0631 \u062a\u0639\u0631\u06cc\u0641\u060c \u0639\u0645\u0644\u06a9\u0631\u062f Foreach \u0648 map \u0628\u0633\u06cc\u0627\u0631 \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0647\u0645 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u062f\u0631 \u0639\u0645\u0644 \u06cc\u06a9 \u062a\u0641\u0627\u0648\u062a \u0627\u0633\u0627\u0633\u06cc \u0645\u06cc\u0627\u0646 \u0627\u06cc\u0646 \u062f\u0648 \u0645\u062a\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u062f\u0631 \u0645\u062a\u062f Foreach \u0622\u0631\u0627\u06cc\u0647\u200c\u06cc \u0627\u0635\u0644\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0645\u062a\u062f map \u0622\u0631\u0627\u06cc\u0647\u200c\u06cc \u0627\u0635\u0644\u06cc \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0627\u0642\u06cc \u062e\u0648\u0627\u0647\u062f \u0645\u0627\u0646\u062f. \u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0633\u0628\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f \u062a\u0627 \u0645\u062a\u062f Foreach \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0642\u0635\u062f \u062a\u063a\u06cc\u06cc\u0631 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0645\u062b\u0644\u0627\u064b \u0641\u0631\u0622\u06cc\u0646\u062f \u0686\u0627\u067e \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062a\u062f \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Reduce \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u06a9\u0644\u0645\u0647\u200c\u06cc Reduce \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0633\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u0627 \u062e\u0631\u062f\u06a9\u0631\u062f\u0646 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062a\u062f \u0646\u06cc\u0632 \u0645\u0627\u0646\u0646\u062f \u062f\u06cc\u06af\u0631 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0647\u060c \u0628\u0631\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062a\u062f Reduce\u060c \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062d\u0627\u0635\u0644 \u062c\u0645\u0639 \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u062f\u0631 \u0648\u0627\u0642\u0639 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u062f \u062a\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062f\u0627\u062f\u0647\u200c\u06cc \u06a9\u0644\u06cc (\u062d\u0627\u0635\u0644 \u062c\u0645\u0639) \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u062a\u062f Reduce \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0627\u06cc\u06cc\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"171\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/ecfac56e-9d62-4662-a474-f1563470e187-300x171.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u0628\u0647\u062a\u0631\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/ecfac56e-9d62-4662-a474-f1563470e187-300x171.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/ecfac56e-9d62-4662-a474-f1563470e187-768x438.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/ecfac56e-9d62-4662-a474-f1563470e187.jpg 1024w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/171;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/the-best-javascript-tutorial\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0628\u0647\u062a\u0631\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0646\u06cc\u0627  &#8211; \u0645\u0639\u0631\u0641\u06cc \u0628\u0647\u062a\u0631\u06cc\u0646\u200c \u0622\u0645\u0648\u0632\u0634\u200c\u0647\u0627<\/a>\n<\/section><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u062a\u0633\u0627\u0648\u06cc \u06a9\u0644\u06cc\u062f\u0647\u0627 \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647\u200c\u06cc Map<\/h2>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u200c\u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647\u060c\u200c\u0645\u062a\u0648\u062c\u0647 \u062a\u0633\u0627\u0648\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0634\u0648\u06cc\u0645 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 sameValueZero \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. \u067e\u06cc\u0634\u200c\u062a\u0631 \u0627\u0632 \u0627\u06cc\u0646\u200c\u0647\u0627\u060c \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 SameValue \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u062f. \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 SameValue \u0633\u0628\u0628 \u0645\u06cc\u200c\u0634\u062f \u062a\u0627 \u06f0 \u0648 -\u06f0\u200e\u200e \u062f\u0648 \u0645\u0642\u062f\u0627\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u0646\u062f. \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645\u060c \u06a9\u0646\u0627\u0631 \u06af\u0630\u0627\u0634\u062a\u0647 \u0634\u062f\u0647 \u0648 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 sameValueZero \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0622\u0646 \u0634\u062f. \u062f\u0631 sameValueZero\u060c \u06f0 \u0648 -\u06f0 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06cc\u06a9\u0633\u0627\u0646\u06cc \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 Map<\/h2>\n\n\n\n<p>Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0634\u0628\u0627\u0647\u062a\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0627\u0631\u062f. \u0647\u0631 \u062f\u0648\u06cc \u0627\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u060c \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u062a\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0631\u0627 \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u062e\u0627\u0635\u060c \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0647\u06cc\u062f\u060c \u0633\u067e\u0633 \u0628\u0631\u0627\u0633\u0627\u0633 \u06a9\u0644\u06cc\u062f\u060c \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u062f\u061b \u06a9\u0644\u06cc\u062f \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f \u0648 \u063a\u06cc\u0631\u0647. \u062f\u0631 \u062d\u0642\u06cc\u0642\u062a \u062f\u0644\u06cc\u0644 \u0627\u0635\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621\u060c \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u0647\u0645\u0627\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc Map \u0627\u0633\u062a.<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/node_1s540yS_1403-08-16-164236924\/0fe5b3e2e2d6607001330d6526c543b5.webp?expire=4893471932&#038;token=609d2dc669a9a7534ba3f217a1a0a241&#038;md5=YJ0txmmpp1NLo_IXoaCiQQ==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 Node.js\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 Node.js\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-node-js-mk1313\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 Node.js        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f1,\u06f5\u06f9\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f9\u06f5\u06f9,\u06f4\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f4\u06f0%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-node-js-mk1313\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<p>\u00a0\u0628\u0627 \u062a\u0645\u0627\u0645 \u0627\u06cc\u0646 \u0634\u0628\u0627\u0647\u062a\u200c\u0647\u0627\u060c \u062a\u0641\u0627\u0648\u062a\u200c\u0647\u0627\u06cc \u0645\u0647\u0645\u06cc \u0646\u06cc\u0632 \u0628\u06cc\u0646 Map \u0648 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u062f\u0631 \u0627\u062f\u0627\u0645\u0647\u060c \u0627\u06cc\u0646 \u062a\u0641\u0627\u0648\u062a\u200c\u0647\u0627 \u0631\u0627 \u0628\u06cc\u0627\u0646 \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><figure><img decoding=\"async\" class=\"aligncenter wp-image-39471 size-large lazyload\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-3-1024x575.png.webp\" alt=\"\u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 Map\" width=\"1024\" height=\"575\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-3-1024x575.png.webp 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-3-300x168.png.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-3-768x431.png.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39468-3.png 1192w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/575;\" \/><\/figure>\u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u062a\u0635\u0627\u062f\u0641\u06cc<\/h3>\n\n\n\n<p>\u062f\u0631 \u06cc\u06a9 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u06cc Map\u060c \u0647\u06cc\u0686 \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0642\u0631\u0627\u0631 \u0646\u062f\u0627\u0631\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 Map\u060c \u062a\u0646\u0647\u0627 \u0647\u0645\u0627\u0646 \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0622\u0646 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645\u060c \u0634\u0627\u0645\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0627\u0634\u06cc\u0627\u0621\u060c \u067e\u0631\u0648\u062a\u0648\u062a\u0627\u06cc\u067e\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0647\u0633\u062a\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0648\u0642\u062a\u06cc \u0634\u0645\u0627 \u06a9\u0644\u06cc\u062f\u06cc \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u062d\u0648\u0627\u0633\u062a\u0627\u0646 \u0628\u0627\u0634\u062f \u062a\u0627 \u0628\u0627 \u062f\u06cc\u06af\u0631 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f\u060c \u062a\u062f\u0627\u062e\u0644 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n\n\n\n<p>* \u0646\u06a9\u062a\u0647: \u062a\u062f\u0627\u062e\u0644 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u062f\u0631 \u0627\u0634\u06cc\u0627\u0621\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 opject.create(null) \u0642\u0627\u0628\u0644 \u0631\u0641\u0639 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f\u061b \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06a9\u0645\u200c\u062a\u0631 \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0631\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0645\u0646\u06cc\u062a<\/h3>\n\n\n\n<p>\u062a\u0641\u0627\u0648\u062a \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0645\u06cc\u0627\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc Map \u0648 \u0627\u0634\u06cc\u0627\u0621 \u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0627\u0645\u0646\u06cc\u062a \u0622\u0646 \u0627\u0633\u062a. \u0648\u0642\u062a\u06cc \u0634\u0645\u0627 \u0627\u0632 Map \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f\u060c \u0646\u06af\u0631\u0627\u0646\u06cc \u0628\u0627\u0628\u062a \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0627\u0634\u062a. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0648\u0642\u062a\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u0648 \u06a9\u0644\u06cc\u062f \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0634\u06cc\u0621 \u0627\u0646\u062a\u0635\u0627\u0628 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062d\u0645\u0644\u0647\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0646\u0641\u0648\u062f \u0634\u06cc\u0621 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f. \u0627\u06cc\u0646 \u0645\u0633\u0623\u0644\u0647 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0628\u0627 \u067e\u0631\u0648\u062a\u0648\u062a\u0627\u06cc\u067e null\u060c \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0631\u0633\u0627\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0648\u0639 \u06a9\u0644\u06cc\u062f<\/h3>\n\n\n\n<p>\u062f\u0631 map \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0647\u0631 \u0646\u0648\u0639 \u0645\u0642\u062f\u0627\u0631\u06cc \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621\u060c \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0641\u0642\u0637 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u0646\u0648\u0639 \u0631\u0634\u062a\u0647 \u06cc\u0627 string \u0648 \u0646\u0645\u0627\u062f \u06cc\u0627 symbol \u0628\u0627\u0634\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0634\u0645\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u06cc\u06af\u0631 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u062a\u0631\u062a\u06cc\u0628 \u06a9\u0644\u06cc\u062f\u0647\u0627<\/h3>\n\n\n\n<p>\u062a\u0641\u0627\u0648\u062a \u062f\u06cc\u06af\u0631 \u0645\u06cc\u0627\u0646 \u0627\u0634\u06cc\u0627\u0621 \u0648 Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0628\u0627\u0632 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u062f\u0631 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc map\u060c \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0647 \u0634\u06cc\u0648\u0647\u200c\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648 \u0633\u0627\u062f\u0647 \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u06cc\u0639\u0646\u06cc \u0628\u0647 \u0647\u0645\u0627\u0646 \u062a\u0631\u062a\u06cc\u0628\u06cc \u06a9\u0647 \u0632\u0648\u062c \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u0631\u062f map \u0634\u062f\u0647\u200c\u0627\u0646\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0646\u0645\u0648\u062f. \u062f\u0631 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u0686\u0646\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0627\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0646\u062f\u0627\u0632\u0647<\/h3>\n\n\n\n<p>\u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0639\u062f\u0627\u062f \u0622\u06cc\u062a\u0645\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 map \u0631\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc size \u0622\u0646 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u062f. \u06cc\u0639\u0646\u06cc \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u062f\u0627\u0646\u06cc\u062f \u06a9\u0647 \u0686\u0646\u062f \u0632\u0648\u062c \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 map \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u06a9\u0627\u0641\u06cc \u0627\u0633\u062a \u062a\u0627 \u0628\u0647 size \u0622\u0646 map \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0686\u0646\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0627\u06cc \u0631\u0627 \u0646\u062f\u0627\u0631\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u062f\u0627\u0646\u0633\u062a\u0646 \u062a\u0639\u062f\u0627\u062f \u0645\u0648\u0627\u0631\u062f \u062f\u0631 \u0627\u0634\u06cc\u0627\u0621\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631\u06cc \u0631\u0627 \u067e\u06cc\u0634\u200c\u0631\u0648 \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0627\u0634\u062a. \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0628\u062a\u062f\u0627 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062a\u0645\u0627\u0645 \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0634\u06cc\u0621 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u0633\u067e\u0633 \u0637\u0648\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u062a\u06a9\u0631\u0627\u0631 \u06cc\u0627 \u067e\u06cc\u0645\u0627\u06cc\u0634<\/h3>\n\n\n\n<p>\u06cc\u06a9 map \u0642\u0627\u0628\u0644\u06cc\u062a \u067e\u06cc\u0645\u0627\u06cc\u0634 \u062f\u0627\u0631\u062f\u061b \u0627\u0645\u0627 \u0627\u0634\u06cc\u0627\u0621 \u067e\u0631\u0648\u062a\u06a9\u0644 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0634\u0645\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 for\u2026of \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0631\u0648\u06cc \u0627\u0634\u06cc\u0627\u0621 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n\n\n\n<p>* \u0646\u06a9\u062a\u0647: \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Object. Keys \u06cc\u0627 bject.entries \u0642\u0627\u0628\u0644\u06cc\u062a \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u06a9\u0627\u0631\u0627\u06cc\u06cc<\/h3>\n\n\n\n<p>\u062f\u0631 \u0645\u0648\u0627\u0631\u062f\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0641\u0632\u0648\u062f\u0646 \u0648 \u062d\u0630\u0641 \u0645\u06a9\u0631\u0631 \u0632\u0648\u062c\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u062f\u0627\u0631\u06cc\u062f\u060c \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc map \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u062a\u0631\u06cc \u0627\u0632 \u0646\u0638\u0631 \u0633\u0631\u0639\u062a \u0648 \u0628\u0647\u0631\u0647\u200c\u0648\u0631\u06cc \u0631\u0627 \u0627\u0632 \u062e\u0648\u062f \u0646\u0634\u0627\u0646 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0646\u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"179\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/69ef03ba-84ef-407e-af9b-9e1ac4aecc29-300x179.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u067e\u0631\u0648\u0698\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/69ef03ba-84ef-407e-af9b-9e1ac4aecc29-300x179.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/69ef03ba-84ef-407e-af9b-9e1ac4aecc29-768x458.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/69ef03ba-84ef-407e-af9b-9e1ac4aecc29.jpg 1024w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/179;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/javascript-project\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u06f1\u06f7 \u067e\u0631\u0648\u0698\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062c\u0630\u0627\u0628 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u062f\u0631 \u0633\u0647 \u0633\u0637\u062d \u0645\u062e\u062a\u0644\u0641<\/a>\n<\/section><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u062a\u062c\u0632\u06cc\u0647 \u0648 \u0633\u0631\u06cc\u0627\u0644 \u0633\u0627\u0632\u06cc<\/h3>\n\n\n\n<p>Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u06cc\u0686 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645\u06cc \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0633\u0631\u06cc\u0627\u0644 \u0633\u0627\u0632\u06cc (\u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0628\u0647 \u0641\u0631\u0645\u062a \u0642\u0627\u0628\u0644 \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc) \u06cc\u0627 \u062a\u062c\u0632\u06cc\u0647 (\u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0627\u0632 \u0641\u0631\u0645\u062a \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0628\u0647 \u062f\u0627\u062f\u0647\u200c\u06cc \u0627\u0635\u0644\u06cc) \u0627\u0631\u0627\u0626\u0647 \u0646\u0645\u06cc\u200c\u062f\u0647\u062f. \u06cc\u0639\u0646\u06cc \u0634\u0645\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647\u200c\u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u06cc\u06a9 Map \u0631\u0627 \u0628\u0647 JSON \u0648 \u0628\u0631\u0639\u06a9\u0633 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u062a\u0648\u0627\u0628\u0639\u06cc \u0645\u0627\u0646\u0646\u062f JSON.stringify() \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u062a\u0646\u0638\u06cc\u0645 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0627\u0634\u06cc\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u06cc\u06a9 \u0634\u06cc\u0621 \u0645\u0639\u0645\u0648\u0644\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0634\u06cc\u0621 map \u0646\u06cc\u0632 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0632\u0628\u0627\u0646 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0648 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0686\u0631\u0627\u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u06cc\u0646 \u0627\u0628\u0647\u0627\u0645 \u0631\u0627 \u062f\u0631 \u0630\u0647\u0646 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u06a9\u0627\u0631 \u0628\u0627 \u0634\u06cc\u0621 \u0647\u0633\u062a\u06cc\u0645 \u06cc\u0627 \u06cc\u06a9 map\u061f \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062f\u0631 \u0635\u0648\u0631\u062a \u0648\u062c\u0648\u062f \u0627\u06cc\u0646 \u0627\u0628\u0647\u0627\u0645\u060c \u0627\u0645\u06a9\u0627\u0646 \u062f\u0627\u0631\u062f \u062e\u0637\u0627\u0647\u0627\u06cc\u06cc \u0628\u0631\u0648\u0632 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u062f \u06a9\u0647 \u06cc\u0627\u0641\u062a\u0646 \u0648 \u0631\u0641\u0639 \u0622\u0646 \u0628\u0633\u06cc\u0627\u0631 \u062f\u0634\u0648\u0627\u0631 \u0628\u0627\u0634\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> wrongMap <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nwrongMap<span class=\"token punctuation\">&#91;<\/span><span class=\"token string\">\"bla\"<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token string\">\"blaa\"<\/span><span class=\"token punctuation\">;<\/span>\nwrongMap<span class=\"token punctuation\">&#91;<\/span><span class=\"token string\">\"bla2\"<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token string\">\"blaaa2\"<\/span><span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>wrongMap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Map { bla: 'blaa', bla2: 'blaaa2' }<\/span><\/code><\/pre>\n\n\n\n<p>\u067e\u0633 \u0647\u0645\u0627\u0646\u200c\u0637\u0648\u0631 \u06a9\u0647 \u0628\u06cc\u0627\u0646 \u06a9\u0631\u062f\u06cc\u0645\u060c \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0634\u06cc\u0621 map \u0631\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u067e\u06cc\u062a \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0628\u0637\u06cc \u0628\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u06cc map \u0646\u062f\u0627\u0631\u062f\u061b \u0628\u0644\u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0634\u06cc\u0621 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u0628\u0627\u0644\u0627\u060c \u0645\u0642\u062f\u0627\u0631 bla \u06a9\u0647 \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u062f\u0631 map \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0646\u062e\u0648\u0627\u0647\u062f \u0634\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u06cc\u0646 \u06a9\u062f\u0647\u0627\u060c \u0628\u0647 \u062e\u0637\u0627 \u0645\u06cc\u200c\u0627\u0646\u062c\u0627\u0645\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>wrongMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">has<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"bla\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ false<\/span>\nwrongMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"bla\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ false<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>wrongMap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Map { bla: 'blaa', bla2: 'blaaa2' }<\/span><\/code><\/pre>\n\n\n\n<p>\u0631\u0648\u0634 \u0635\u062d\u06cc\u062d \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u06cc \u062f\u0627\u062f\u0647 \u0631\u0648\u06cc \u0646\u0642\u0634\u0647\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f set (key, value) \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u06a9\u062f\u0647\u0627\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> contacts <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Jessie\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">phone<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"\u06f2\u06f1\u06f3-\u06f5\u06f5\u06f5-\u06f1\u06f2\u06f3\u06f4\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">address<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"\u06f1\u06f2\u06f3 N 1st Ave\"<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">has<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Jessie\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Hilary\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ undefined<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Hilary\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">phone<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"\u06f6\u06f1\u06f7-\u06f5\u06f5\u06f5-\u06f4\u06f3\u06f2\u06f1\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">address<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">\"\u06f3\u06f2\u06f1 S 2nd St\"<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Jessie\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ {phone: \"213-555-1234\", address: \"123 N 1st Ave\"}<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Raymond\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ false<\/span>\ncontacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Jessie\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>contacts<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f1<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u0645\u0631\u0648\u0631\u06af\u0631 \u0634\u0628\u06cc\u0647 \u0628\u0647 map<\/h2>\n\n\n\n<p>\u062f\u0631 API \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647\u06cc \u0628\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u06cc map \u062f\u0627\u0631\u0646\u062f. \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0634\u0627\u0628\u0647 map \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f. \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u0627 \u06a9\u0647 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627 (\u062c\u0641\u062a \u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631) \u0628\u0647 \u0647\u0645\u0627\u0646 \u062a\u0631\u062a\u06cc\u0628\u06cc \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u067e\u06cc\u0645\u0627\u06cc\u0634 \u062e\u0648\u0627\u0647\u062f \u0634\u062f. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0622\u0646\u060c \u0628\u0631\u062e\u06cc \u0631\u0641\u062a\u0627\u0631\u0647\u0627 \u0648 \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0646\u06cc\u0632 \u0628\u0633\u06cc\u0627\u0631 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--56206\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-learn cb-ud1ng69u\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\r\n<div class=\"zht-learn-card\">\r\n    <div class=\"zht-learn-title-section\">\r\n        <div class=\"zht-learn-card-icon\">\r\n            <svg viewBox=\"0 0 24 24\" fill=\"currentColor\" width=\"24\" height=\"24\">\r\n                <path d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z\" \/>\r\n            <\/svg>\r\n        <\/div>\r\n        \r\n        <!-- \u0639\u0646\u0648\u0627\u0646 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u0644\u06cc\u0646\u06a9 -->\r\n        <a href=\"https:\/\/maktabkhooneh.org\/learn\/wordpress\/\" class=\"zht-learn-card-title\" target=\"_blank\" rel=\"noopener noreferrer\">\r\n            \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634 \u0648\u0631\u062f\u067e\u0631\u0633        <\/a>\r\n    <\/div>\r\n\r\n    <!-- \u062f\u06a9\u0645\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u062a\u06af button -->\r\n    <!-- \u0627\u0632 onclick \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u062a\u0627 \u0628\u0647 \u0645\u062d\u0636 \u06a9\u0644\u06cc\u06a9 \u0644\u06cc\u0646\u06a9 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u062f -->\r\n    <button class=\"zht-learn-card-btn\" data-course-url=\"https:\/\/maktabkhooneh.org\/learn\/wordpress\/\" onclick=\"window.open(this.getAttribute('data-course-url'), '_blank');\">\r\n        \u0634\u0631\u0648\u0639 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc\r\n    <\/button>\r\n<\/div><\/div><\/div><\/div>\n\n\n<p>\u00a0\u0627\u06cc\u0646 \u0627\u0634\u06cc\u0627\u0621 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u0647\u0645 \u0627\u0646\u0648\u0627\u0639 \u062e\u0627\u0635\u06cc \u0627\u0632 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u0642\u0628\u0648\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u062f\u0631 RTCStatsReport \u06cc\u06a9 \u0634\u06cc\u0621 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u0627\u0633\u062a \u06a9\u0647 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0628\u0631\u0627\u06cc \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0631\u0634\u062a\u0647 \u0648 \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0632 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0634\u06cc\u0621 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">RTCStatsReport<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token keyword\">readonly<\/span> <span class=\"token class-name\"><span class=\"token keyword\">maplike<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">DOMString<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">object<\/span><span class=\"token operator\">&gt;<\/span><\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n\n\n\n<p>\u0627\u0634\u06cc\u0627\u0621 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0648 \u0645\u062f\u0644 \u0628\u0627\u0634\u0646\u062f: \u0641\u0642\u0637 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc \u06cc\u0627 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc \u0648 \u0646\u0648\u0634\u062a\u0646\u06cc. \u0627\u0634\u06cc\u0627\u0621 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u06a9\u0647 \u0627\u0632 \u0646\u0648\u0639 \u0641\u0642\u0637 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0648\u06cc\u0698\u06af\u06cc size \u0648 \u0645\u062a\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0645\u062a\u062f\u0647\u0627\u06cc \u0644\u06cc\u0633\u062a \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0627\u0631\u0646\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>entries<\/li>\n\n\n\n<li>forEach<\/li>\n\n\n\n<li>get<\/li>\n\n\n\n<li>has<\/li>\n\n\n\n<li>keys<\/li>\n\n\n\n<li>values<\/li>\n<\/ul>\n\n\n\n<p>\u0627\u0634\u06cc\u0627\u0626\u06cc \u06a9\u0647 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u0628\u0648\u062f\u0647 \u0648 \u0627\u0632 \u0646\u0648\u0639 \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u0648\u0634\u062a\u0646 \u0647\u0633\u062a\u0646\u062f \u0628\u0647 \u0627\u0636\u0627\u0641\u0647\u200c\u06cc \u0645\u062a\u062f\u0647\u0627\u06cc \u0628\u062e\u0634 \u0642\u0628\u0644\u060c \u0627\u0632 \u0645\u0646\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>delete<\/li>\n\n\n\n<li>clear<\/li>\n\n\n\n<li>set<\/li>\n<\/ul>\n\n\n\n<p>\u0646\u06cc\u0632 \u0628\u0647\u0631\u0647 \u0645\u06cc\u200c\u0628\u0631\u0646\u062f. \u0641\u0647\u0631\u0633\u062a \u0632\u06cc\u0631 \u0639\u0646\u0648\u0627\u0646 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0641\u0642\u0637 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc \u0648 \u0634\u0628\u06cc\u0647 \u0628\u0647 map \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AudioParamMap<\/li>\n\n\n\n<li>RTCStatsReport<\/li>\n\n\n\n<li>EventCounts<\/li>\n\n\n\n<li>KeyboardLayoutMap<\/li>\n\n\n\n<li>MIDIInputMap<\/li>\n\n\n\n<li>MIDIOutputMap<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0633\u0627\u0632\u0646\u062f\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc map<\/h2>\n\n\n\n<p>\u0645\u062a\u062f map \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0634\u06cc\u0621 \u062c\u062f\u06cc\u062f \u0627\u0632 \u06a9\u0644\u0627\u0633 Map \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map()\u200e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9<\/h2>\n\n\n\n<p>\u0645\u062a\u062f \u0632\u06cc\u0631\u060c \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647\u200c\u06cc \u062a\u0627\u0628\u0639 \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u06cc\u0621\u200c\u0647\u0627\u06cc \u0645\u0634\u062a\u0642 \u0634\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 Map \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map[@@species]<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9<\/h2>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 iterable \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06af\u0631\u0648\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. Map \u0646\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0631\u06af\u0634\u062a \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06cc\u06a9\u062a\u0627\u06cc \u062a\u0627\u0628\u0639 \u0622\u0632\u0645\u0648\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u062f\u0631 \u0647\u0631 \u06af\u0631\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-center\">Map.groupBy()\u200e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647<\/h2>\n\n\n\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u0628\u0631 \u0631\u0648\u06cc Map.prototype \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647\u200c\u0627\u0646\u062f \u0648 \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc Map \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.constructor<\/p>\n\n\n\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u062a\u0627\u0628\u0639 \u0633\u0627\u0632\u0646\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0634\u06cc\u0621 \u0646\u0645\u0648\u0646\u0647 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc Map\u060c \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0633\u0627\u0632\u0646\u062f\u0647 Map \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.size<\/p>\n\n\n\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u062a\u0639\u062f\u0627\u062f \u062c\u0641\u062a\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\/\u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0634\u06cc\u0621 Map \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype[@@toStringTag]<\/p>\n\n\n\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 Object.prototype.toString()\u200e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0631\u0634\u062a\u0647 &#8220;Map&#8221; \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u062f\u200c\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647<\/h2>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.clear()\u200e<\/p>\n\n\n\n<p>\u062a\u0645\u0627\u0645\u06cc \u062c\u0641\u062a\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f-\u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0627\u0632 \u0634\u06cc\u0621 Map \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.delete()\u200e<\/p>\n\n\n\n<p>\u0627\u06af\u0631 \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0634\u06cc\u0621 Map \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u062d\u0630\u0641 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f\u060c true \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a false \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u067e\u0633 \u0627\u0632 \u0627\u06cc\u0646\u060c map.has(key) false \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.entries()\u200e<\/p>\n\n\n\n<p>\u06cc\u06a9 \u0634\u06cc\u0621 Iterator \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0648\u0639\u0636\u0648\u06cc [key, value] \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0634\u06cc\u0621 Map \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.forEach()\u200e<\/p>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0647\u0631 \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f-\u0645\u0642\u062f\u0627\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0634\u06cc\u0621 Map \u0648 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c\u060c \u06cc\u06a9\u0628\u0627\u0631 callbackFn \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06af\u0631 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 thisArg \u0628\u0647 forEach \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u0627\u0632 \u0622\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 this \u0628\u0631\u0627\u06cc \u0647\u0631 callback \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.get()\u200e<\/p>\n\n\n\n<p>\u0645\u0642\u062f\u0627\u0631 \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u06a9\u0644\u06cc\u062f \u0627\u0631\u0633\u0627\u0644\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u0648 \u0627\u06af\u0631 \u0686\u0646\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c undefined \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.has()\u200e<\/p>\n\n\n\n<p>\u06cc\u06a9 \u0628\u0648\u0644\u06cc\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627 \u06a9\u0644\u06cc\u062f \u0627\u0631\u0633\u0627\u0644\u06cc \u062f\u0631 \u0634\u06cc\u0621 Map \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.keys()\u200e<\/p>\n\n\n\n<p>\u06cc\u06a9 \u0634\u06cc\u0621 Iterator \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0634\u06cc\u0621 Map \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.set()\u200e<\/p>\n\n\n\n<p>\u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0644\u06cc\u062f \u0627\u0631\u0633\u0627\u0644\u06cc \u062f\u0631 \u0634\u06cc\u0621 Map \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0634\u06cc\u0621 Map \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype.values()\u200e<\/p>\n\n\n\n<p>\u06cc\u06a9 \u0634\u06cc\u0621 Iterator \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0634\u06cc\u0621 Map \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Map.prototype@@iterator<\/p>\n\n\n\n<p>\u06cc\u06a9 \u0634\u06cc\u0621 Iterator \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0648\u0639\u0636\u0648\u06cc [key, value] \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0634\u06cc\u0621 Map \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0645\u067e \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0642\u0633\u0645\u062a\u060c \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u062a\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 map \u0648 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0622\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u0645. \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u06a9\u062f\u0647\u0627 \u0631\u0627 \u062e\u0648\u062f\u062a\u0627\u0646 \u062a\u0627\u06cc\u067e \u06a9\u0631\u062f\u0647 \u0648 \u0646\u062a\u06cc\u062c\u0647\u200c\u06cc \u062e\u0631\u0648\u062c\u06cc \u06a9\u0627\u0631 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"181\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39357-21-300x181.png.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"This \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39357-21-300x181.png.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39357-21-768x463.png.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39357-21.png 780w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/181;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/this-in-javascript\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">This \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u061b \u0645\u0641\u0647\u0648\u0645 + \u06a9\u0627\u0631\u0628\u0631\u062f<\/a>\n<\/section><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<p>\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631\u060c \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0686\u0637\u0648\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0634\u06cc\u0621 map \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> myMap <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">const<\/span> keyString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"a string\"<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">const<\/span> keyObj <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">const<\/span> <span class=\"token function-variable function\">keyFunc<\/span> <span class=\"token operator\">=<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token comment\">\/\/ setting the values<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>keyString<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"value associated with 'a string'\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>keyObj<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"value associated with keyObj\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>keyFunc<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"value associated with keyFunc\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f3<\/span>\n\n<span class=\"token comment\">\/\/ getting the values<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>keyString<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \"value associated with 'a string'\"<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>keyObj<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \"value associated with keyObj\"<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>keyFunc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \"value associated with keyFunc\"<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"a string\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \"value associated with 'a string'\", because keyString === 'a string'<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ undefined, because keyObj !== {}<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ undefined, because keyFunc !== function () {}<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 NaN \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f\u200c\u0647\u0627\u06cc Map<\/h3>\n\n\n\n<p>NaN \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f. \u0628\u0627 \u0627\u06cc\u0646\u06a9\u0647 \u0647\u0631 NaN \u0645\u0633\u0627\u0648\u06cc \u062e\u0648\u062f\u0634 \u0646\u06cc\u0633\u062a (NaN !== NaN \u062f\u0631\u0633\u062a \u0627\u0633\u062a)\u060c \u0627\u0645\u0627 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0632\u06cc\u0631\u0627 NaN \u0647\u0627 \u0627\u0632 \u0647\u0645 \u0642\u0627\u0628\u0644 \u062a\u0645\u06cc\u06cc\u0632 \u0646\u06cc\u0633\u062a\u0646\u062f:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> myMap <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">NaN<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"not a number\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">NaN<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token comment\">\/\/ \"not a number\"<\/span>\n\n<span class=\"token keyword\">const<\/span> otherNaN <span class=\"token operator\">=<\/span> <span class=\"token function\">Number<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"foo\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>otherNaN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token comment\">\/\/ \"not a number\"<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u067e\u06cc\u0645\u0627\u06cc\u0634 Map \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0644\u0642\u0647 for&#8230;of<\/h3>\n\n\n\n<p>Map \u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0644\u0642\u0647 for&#8230;of \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0634\u0648\u0646\u062f. \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> myMap <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"zero\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nmyMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"one\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">&#91;<\/span>key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">of<\/span> myMap<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>key<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> = <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>value<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n<span class=\"token comment\">\/\/ \u06f0 = zero<\/span>\n<span class=\"token comment\">\/\/ \u06f1 = one<\/span>\n\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> key <span class=\"token keyword\">of<\/span> myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">keys<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n<span class=\"token comment\">\/\/ \u06f0<\/span>\n<span class=\"token comment\">\/\/ \u06f1<\/span>\n\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> value <span class=\"token keyword\">of<\/span> myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">values<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n<span class=\"token comment\">\/\/ zero<\/span>\n<span class=\"token comment\">\/\/ one<\/span>\n\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">&#91;<\/span>key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">of<\/span> myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">entries<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>key<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> = <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>value<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n<span class=\"token comment\">\/\/ \u06f0 = zero<\/span>\n<span class=\"token comment\">\/\/ \u06f1 = one<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u067e\u06cc\u0645\u0627\u06cc\u0634 Map \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f forEach\u200e<\/h3>\n\n\n\n<p>Map \u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f forEach()\u200e \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0634\u0648\u0646\u062f. \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">value<span class=\"token punctuation\">,<\/span> key<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=&gt;<\/span> <span class=\"token punctuation\">{<\/span>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">`<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>key<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\"> = <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>value<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">`<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token comment\">\/\/ \u06f0 = zero<\/span>\n<span class=\"token comment\">\/\/ \u06f1 = one<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc<\/h3>\n\n\n\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631\u060c \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0686\u0637\u0648\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 map \u0631\u0627 \u0628\u0627 object\u0647\u0627 \u0628\u0647\u200c\u06a9\u0627\u0631 \u0628\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> kvArray <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">&#91;<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token string\">\"key1\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"value1\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token string\">\"key2\"<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"value2\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token comment\">\/\/ Use the regular Map constructor to transform a 2D key-value Array into a map<\/span>\n<span class=\"token keyword\">const<\/span> myMap <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span>kvArray<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"key1\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \"value1\"<\/span>\n\n<span class=\"token comment\">\/\/ Use Array.from() to transform a map into a 2D key-value Array<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>Array<span class=\"token punctuation\">.<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Will show you exactly the same Array as kvArray<\/span>\n\n<span class=\"token comment\">\/\/ A succinct way to do the same, using the spread syntax<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span><span class=\"token operator\">...<\/span>myMap<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token comment\">\/\/ Or use the keys() or values() iterators, and convert them to an array<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>Array<span class=\"token punctuation\">.<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span>myMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">keys<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ &#91;\"key1\", \"key2\"]<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u0648 \u0627\u062f\u063a\u0627\u0645 \u06a9\u0631\u062f\u0646 Map \u0647\u0627<\/h3>\n\n\n\n<p>\u0645\u0634\u0627\u0628\u0647 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627\u060c Map \u0647\u0627 \u0647\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06a9\u067e\u06cc \u0634\u0648\u0646\u062f:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> original <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span><span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"one\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">const<\/span> clone <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span>original<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>clone<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ one<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>original <span class=\"token operator\">===<\/span> clone<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ false (useful for shallow comparison)<\/span><\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0646\u06a9\u062a\u0647: \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u062e\u0648\u062f \u062f\u0627\u062f\u0647 \u06a9\u067e\u06cc \u0646\u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n<p>Map \u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u062f\u063a\u0627\u0645 \u0634\u0648\u0646\u062f \u0648 \u0647\u0645\u0686\u0646\u0627\u0646 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0648\u062f\u0646 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u062d\u0641\u0638 \u0645\u06cc\u200c\u0634\u0648\u062f:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> first <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"one\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"two\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"three\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">const<\/span> second <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"uno\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"dos\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token comment\">\/\/ Merge two maps. The last repeated key wins.<\/span>\n<span class=\"token comment\">\/\/ Spread syntax essentially converts a Map to an Array<\/span>\n<span class=\"token keyword\">const<\/span> merged <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span><span class=\"token operator\">...<\/span>first<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">...<\/span>second<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>merged<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ uno<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>merged<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ dos<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>merged<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ three<\/span><\/code><\/pre>\n\n\n\n<p>Map\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0646\u06cc\u0632 \u0627\u062f\u063a\u0627\u0645 \u0634\u0648\u0646\u062f:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">const<\/span> first <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"one\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"two\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"three\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">const<\/span> second <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"uno\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"dos\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token comment\">\/\/ Merge maps with an array. The last repeated key wins.<\/span>\n<span class=\"token keyword\">const<\/span> merged <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#91;<\/span><span class=\"token operator\">...<\/span>first<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">...<\/span>second<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">&#91;<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"eins\"<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>merged<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ eins<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>merged<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ dos<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>merged<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ three<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0628\u0631\u0631\u0633\u06cc \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0628\u0627 \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627<\/h2>\n\n\n\n<p>\u062a\u0635\u0648\u06cc\u0631 \u0632\u06cc\u0631\u060c \u0633\u0627\u0632\u06af\u0627\u0631\u06cc map \u0631\u0627 \u0628\u0627 \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><figure><img decoding=\"async\" class=\"aligncenter wp-image-39484 size-full lazyload\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39468-16-scaled-1.jpeg\" alt=\"\u0628\u0631\u0631\u0633\u06cc \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0628\u0627 \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627\" width=\"1257\" height=\"2560\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39468-16-scaled-1.jpeg 1257w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-16-scaled-1-147x300.jpeg.webp 147w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-16-scaled-1-503x1024.jpeg.webp 503w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39468-16-scaled-1-768x1564.jpeg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39468-16-scaled-1-754x1536.jpeg 754w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39468-16-scaled-1-1006x2048.jpeg 1006w\" data-sizes=\"(max-width: 1257px) 100vw, 1257px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1257px; --smush-placeholder-aspect-ratio: 1257\/2560;\" \/><\/figure>\u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc<\/h2>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u0628\u0647 \u0645\u0639\u0631\u0641\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u06cc map \u062f\u0631 javascript \u067e\u0631\u062f\u0627\u062e\u062a\u06cc\u0645. \u0627\u0628\u062a\u062f\u0627 \u0627\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0634\u0631\u062d \u062f\u0627\u062f\u0647 \u0648 \u0633\u067e\u0633 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u0634\u0627\u0628\u0647 \u0622\u0646 \u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f\u06cc\u0645 \u062a\u0627 \u062f\u06cc\u062f \u062c\u0627\u0645\u0639\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0642\u06cc\u0642 \u0631\u0648\u06cc \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u062f.<\/p>\n\n\n\n<p>\u062f\u0631 \u0627\u062f\u0627\u0645\u0647\u200c\u06cc \u0645\u0637\u0644\u0628 \u0628\u0647 \u0645\u0639\u0631\u0641\u06cc \u062c\u0627\u0645\u0639\u200c\u062a\u0631 \u0645\u062a\u062f \u0648 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u06cc map \u067e\u0631\u062f\u0627\u062e\u062a\u06cc\u0645. \u062f\u0631 \u0627\u06cc\u0646\u200c\u062c\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u06cc\u0645 \u06a9\u0647 \u0686\u0637\u0648\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc map \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647\u0631\u0647 \u0628\u0628\u0631\u06cc\u062f. \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0646\u06a9\u0627\u062a \u0638\u0631\u06cc\u0641 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 map \u0627\u0631\u0627\u0626\u0647 \u0634\u062f \u06a9\u0647 \u0628\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u060c \u062a\u06a9\u0646\u06cc\u06a9 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0622\u0645\u0648\u0632\u0634 \u062f\u0627\u062f\u06cc\u0645.<\/p>\n\n\n\n<p>\u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0628\u0647\u062a\u0631 \u0627\u06cc\u0646 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0627\u0632 \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc \u0635\u0641\u0631 \u062a\u0627 \u0635\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647\u200c\u0647\u0627\u06cc \u0645\u0639\u0631\u0648\u0641 \u0622\u0646 \u0646\u0638\u06cc\u0631 React \u0648 Reactjs \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0627\u06cc\u06cc\u062f. \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647\u200c\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0633\u0631\u06cc\u0639\u200c\u062a\u0631 \u0648 \u0633\u0627\u062f\u0647\u200c\u062a\u0631 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647<\/h2>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0645\u0628\u062a\u062f\u06cc \u062a\u0627 \u062d\u0631\u0641\u0647\u200c\u0627\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc <a href=\"https:\/\/maktabkhooneh.org\/learn\/java-script\/\">\u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/a> \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0634\u0631\u06a9\u062a \u06a9\u0646\u06cc\u062f. \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0628\u0627 \u062a\u06a9\u06cc\u0647 \u0628\u0631 \u0628\u0647\u062a\u0631\u06cc\u0646 \u0645\u062f\u0631\u0633\u06cc\u0646 \u0648 \u0628\u0627\u06a9\u06cc\u0641\u06cc\u062a\u200c\u062a\u0631\u06cc\u0646 \u0645\u062a\u062f\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc \u062a\u0647\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0648\u06cc\u062f\u06cc\u0648\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0631\u0627 \u062f\u0631 \u0647\u0631 \u0632\u0645\u0627\u0646 \u0648 \u0641\u0631\u0635\u062a\u06cc \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/javascript-es-series_1403-08-16-164352163\/97c6aa2e4add56ea5373fa13a8178942.webp?expire=4893471932&#038;token=a299c61715e09470f165388b87e60951&#038;md5=opnGFxXglHDxZTiLh-YJUQ==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a (JavaScript)\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a (JavaScript)\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A7%D8%B3%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA-mk1122\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a (JavaScript)        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f1,\u06f4\u06f9\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f8\u06f9\u06f9,\u06f4\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f4\u06f0%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A7%D8%B3%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA-mk1122\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<p>\u00a0\u0645\u0632\u06cc\u062a \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0639\u0645\u0644\u06cc \u0628\u0648\u062f\u0646 \u062a\u0645\u0631\u06cc\u0646\u0627\u062a \u0648 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc \u0641\u0631\u0627\u0648\u0627\u0646 \u062f\u0631 \u062d\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0634\u0645\u0627 \u0631\u0627 \u0627\u0632 \u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0648 \u0633\u0631\u0641\u0635\u0644\u200c\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0631\u062a\u0642\u0627 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0627\u0646\u0648\u0627\u0639 <a href=\"https:\/\/maktabkhooneh.org\/learn\/programming\/\">\u062f\u0648\u0631\u0647 \u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc<\/a> \u0648 <a href=\"https:\/\/maktabkhooneh.org\/learn\/web-design\/\">\u0622\u0645\u0648\u0632\u0634 \u0637\u0631\u0627\u062d\u06cc \u0633\u0627\u06cc\u062a<\/a> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u06a9\u0645\u0644 \u0648 \u067e\u06cc\u0634 \u0646\u06cc\u0627\u0632 \u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u0631\u0641\u0631\u0646\u0633:<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Map\" rel=\"nofollow noopener\" target=\"_blank\">&nbsp;MDN (mozilla.org)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Map \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u062c\u0641\u062a\u200c\u0647\u0627\u06cc (\u06a9\u0644\u06cc\u062f- \u0645\u0642\u062f\u0627\u0631) \u0627\u0633\u062a. \u067e\u06cc\u0634 \u0627\u0632 \u0645\u0639\u0631\u0641\u06cc Map \u062f\u0631 javascript\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0635\u0627\u0628 \u06a9\u0644\u06cc\u062f \u0628\u0647 \u0645\u0642\u062f\u0627\u0631\u060c \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc\u060c \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0631\u062f. \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0647\u0631 \u0634\u06cc\u0621 \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062f\u0627\u0631\u062f \u0648 type \u06a9\u0644\u06cc\u062f \u0627\u0634\u06cc\u0627\u0621 \u062a\u0646\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0646\u0648\u0639 string \u06cc\u0627 [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":39469,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,30,12],"tags":[],"class_list":["post-39468","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-and-it-training","category-web-programming-articles","category-java-script-articles"],"_links":{"self":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/39468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/comments?post=39468"}],"version-history":[{"count":4,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/39468\/revisions"}],"predecessor-version":[{"id":65587,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/39468\/revisions\/65587"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media\/39469"}],"wp:attachment":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media?parent=39468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/categories?post=39468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/tags?post=39468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}