{"id":39675,"date":"2024-05-19T18:30:09","date_gmt":"2024-05-19T14:00:09","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=39675"},"modified":"2026-04-06T15:45:39","modified_gmt":"2026-04-06T12:15:39","slug":"convert-string-to-number-in-javascript","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/convert-string-to-number-in-javascript\/","title":{"rendered":"\u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc"},"content":{"rendered":"\n<p>\u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u06a9\u0627\u0631 \u0628\u0627 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0632 \u0627\u0647\u0645\u06cc\u062a \u0648\u06cc\u0698\u0647\u200c\u0627\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a. \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u062a\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u0627\u0639\u062f\u0627\u062f \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f\u060c \u0628\u0647 \u0646\u0627\u0645 \u00ab\u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u00bb \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0627\u063a\u0644\u0628 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u060c \u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u0647\u0627 \u0648 \u0633\u0627\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u06cc\u0627\u0636\u06cc \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 javascript \u0645\u06cc\u200c\u067e\u0631\u062f\u0627\u0632\u06cc\u0645. \u0645\u0627 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0647\u0631 \u0631\u0648\u0634 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f \u0648 \u0628\u0647\u062a\u0631\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u062a\u0648\u0636\u06cc\u062d \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0631\u0648\u0634 \u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u0646\u062f\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0631\u0627\u06cc\u062c\u200c\u062a\u0631\u06cc\u0646 \u0622\u0646\u200c\u0647\u0627 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u06f1. \u062a\u0627\u0628\u0639 parseInt<\/h3>\n\n\n\n<p>\u062a\u0627\u0628\u0639 parseInt()\u200e \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u062d\u0628\u0648\u0628\u200c\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d (integer) \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a. \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0631\u0634\u062a\u0647:<\/strong> \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f.<\/li>\n\n\n\n<li><strong>\u067e\u0627\u06cc\u0647 (\u0627\u062e\u062a\u06cc\u0627\u0631\u06cc)<\/strong>: \u0639\u062f\u062f\u06cc \u06a9\u0647 \u067e\u0627\u06cc\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0639\u062f\u062f\u06cc \u0631\u0634\u062a\u0647 \u0648\u0631\u0648\u062f\u06cc \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f (\u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u06f1\u06f0 \u0627\u0633\u062a \u06a9\u0647 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0633\u06cc\u0633\u062a\u0645 \u062f\u0647\u062f\u0647\u06cc \u0627\u0633\u062a).<\/li>\n<\/ul>\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                        \u06f2\u06f3\u06f9,\u06f7\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f7\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-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<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0631\u0634\u062a\u0647 \u0631\u0627 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0628\u0631\u062e\u0648\u0631\u062f \u06a9\u0646\u062f\u060c \u062a\u0641\u0633\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0628\u0631 \u0627\u0633\u0627\u0633 \u067e\u0627\u06cc\u0647 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u062a\u0628\u062f\u06cc\u0644 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"\u06f1\u06f2\u06f3\"<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span>numberString<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 123<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0646\u06a9\u0627\u062a \u0645\u0647\u0645:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0628\u0627 \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f\u060c \u062a\u0627\u0628\u0639 parseInt()\u200e \u0645\u0642\u062f\u0627\u0631 NaN (Not a Number) \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u062d\u0627\u0648\u06cc \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u062f\u0631 \u0648\u0633\u0637 \u0628\u0627\u0634\u062f\u060c \u062a\u0627\u0628\u0639 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0641\u0642\u0637 \u0642\u0633\u0645\u062a \u0639\u062f\u062f\u06cc \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/li>\n<\/ul>\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 fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"201\" src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/606d5888-bae4-403f-aa0f-fbc1612ac720-300x201.jpg.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"\u0622\u0645\u0648\u0632\u0634 \u06a9\u0648\u06a9\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/606d5888-bae4-403f-aa0f-fbc1612ac720-300x201.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/606d5888-bae4-403f-aa0f-fbc1612ac720-768x515.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/606d5888-bae4-403f-aa0f-fbc1612ac720.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/cookies-in-javascript\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0622\u0645\u0648\u0632\u0634 \u06a9\u0648\u06a9\u06cc \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<h3 class=\"wp-block-heading\">\u06f2. \u062a\u0627\u0628\u0639 parseFloat \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<p>\u062a\u0627\u0628\u0639 parseFloat()\u200e \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631\u06cc (floating-point) \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. \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0646\u06cc\u0632 \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u0634\u0627\u0628\u0647 parseInt()\u200e \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0631\u0634\u062a\u0647<\/strong>: \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f.<\/li>\n\n\n\n<li><strong>\u067e\u0627\u06cc\u0647 (\u0627\u062e\u062a\u06cc\u0627\u0631\u06cc)<\/strong>: \u0639\u062f\u062f\u06cc \u06a9\u0647 \u067e\u0627\u06cc\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0639\u062f\u062f\u06cc \u0631\u0634\u062a\u0647 \u0648\u0631\u0648\u062f\u06cc \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f (\u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u06f1\u06f0 \u0627\u0633\u062a).<\/li>\n<\/ul>\n\n\n\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u062a\u0645\u0627\u0645 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0631\u0627 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0628\u0631\u0633\u062f\u060c \u062f\u0631 \u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0631 \u0627\u0633\u0627\u0633 \u067e\u0627\u06cc\u0647 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"\u06f3.\u06f1\u06f4\"<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token function\">parseFloat<\/span><span class=\"token punctuation\">(<\/span>numberString<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>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 3.14<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0646\u06a9\u0627\u062a \u0645\u0647\u0645:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0628\u0627 \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f\u060c \u062a\u0627\u0628\u0639 parseFloat()\u200e \u0645\u0642\u062f\u0627\u0631 NaN \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0646\u0642\u0637\u0647 (.) \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0627\u0639\u0634\u0627\u0631 \u062f\u0631 \u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u06f3. \u0639\u0645\u0644\u06af\u0631 \u06cc\u06a9\u0627\u0646\u06cc \u0639\u0644\u0627\u0645\u062a \u0645\u062b\u0628\u062a (+)<\/h3>\n\n\n\n<p>\u06cc\u06a9 \u0631\u0648\u0634 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0639\u062f\u062f\u06cc \u0628\u0647 \u0639\u062f\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 \u06cc\u06a9\u0627\u0646\u06cc \u0639\u0644\u0627\u0645\u062a \u0645\u062b\u0628\u062a (+) \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0639\u0645\u0644\u06af\u0631 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f\u060c \u0628\u0647 \u0645\u0639\u0627\u062f\u0644 \u0639\u062f\u062f\u06cc \u0622\u0646 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"\u06f1\u06f0\u06f0\"<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token operator\">+<\/span>numberString<span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 100<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0646\u06a9\u0627\u062a \u0645\u0647\u0645:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06a9\u0627\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0645\u0642\u062f\u0627\u0631 NaN \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0647 \u0627\u0639\u062f\u0627\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0645\u0646\u0627\u0633\u0628 \u0646\u06cc\u0633\u062a.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u06f4. \u0645\u062a\u062f Number \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<p>\u0645\u062a\u062f Number()\u200e \u0631\u0648\u0634\u06cc \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u0647 \u0627\u0639\u062f\u0627\u062f \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062a\u062f \u06cc\u06a9 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"\u06f2\u06f0\u06f0\"<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token function\">Number<\/span><span class=\"token punctuation\">(<\/span>numberString<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>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 200<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0646\u06a9\u0627\u062a \u0645\u0647\u0645:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0631\u0641\u062a\u0627\u0631\u06cc \u0645\u0634\u0627\u0628\u0647 \u0628\u0627 \u0639\u0645\u0644\u06af\u0631 \u062a\u06a9 \u0639\u0644\u0627\u0645\u062a \u0645\u062b\u0628\u062a (+) \u062f\u0627\u0631\u062f.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0646\u06a9\u0627\u062a \u0645\u0647\u0645 \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/strong><\/p>\n\n\n\n<p>\u0627\u0646\u062a\u062e\u0627\u0628 \u0631\u0648\u0634 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0646\u06cc\u0627\u0632\u0647\u0627 \u0648 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635 \u0634\u0645\u0627 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062e\u0644\u0627\u0635\u0647 \u0627\u06cc \u0627\u0632 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0647\u0631 \u0631\u0648\u0634 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0631\u0648\u0634<\/strong><\/td><td><strong>\u0645\u0632\u0627\u06cc\u0627<\/strong><\/td><td><strong>\u0645\u0639\u0627\u06cc\u0628<\/strong><\/td><\/tr><tr><td>parseInt()\u200e<\/td><td>\u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0628\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a.<\/td><td>\u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f\u060c NaN \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/td><\/tr><tr><td>parseFloat()\u200e<\/td><td>\u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a.<\/td><td>\u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f\u060c NaN \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/td><\/tr><tr><td>\u0639\u0645\u0644\u06af\u0631 +<\/td><td>\u0633\u0627\u062f\u0647 \u0648 \u0645\u062e\u062a\u0635\u0631 \u0627\u0633\u062a.<\/td><td>\u0628\u0631\u0627\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06a9\u0627\u0631 \u0646\u0645\u06cc \u06a9\u0646\u062f.<\/td><\/tr><tr><td>\u0645\u062a\u062f Number()\u200e<\/td><td>\u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631 \u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u062f.<\/td><td>\u06a9\u0645\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0627\u0632 \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634\u200c\u0647\u0627 \u0627\u0633\u062a.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0646\u062a\u062e\u0627\u0628 \u0631\u0648\u0634 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0686\u0646\u062f \u0646\u06a9\u062a\u0647 \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u0631\u0648\u0634 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/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\/web-design\/\" 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 \u0637\u0631\u0627\u062d\u06cc \u0633\u0627\u06cc\u062a        <\/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\/web-design\/\" 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<ul class=\"wp-block-list\">\n<li>\u0627\u06af\u0631 \u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u062f \u0631\u0634\u062a\u0647 \u0634\u0645\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0633\u062a\u060c \u0627\u0632 parseInt()\u200e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u0627\u06af\u0631 \u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u062f \u0631\u0634\u062a\u0647 \u0634\u0645\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0627\u0633\u062a\u060c \u0627\u0632 parseFloat()\u200e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u0634\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f\u060c \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 + \u06cc\u0627 \u0645\u062a\u062f Number()\u200e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u0627\u06af\u0631 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 + \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u0627\u06af\u0631 \u0628\u0647 \u0631\u0648\u0634\u06cc \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u0647 \u0627\u0639\u062f\u0627\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f\u060c \u0627\u0632 \u0645\u062a\u062f Number()\u200e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<strong>.<\/strong><\/li>\n<\/ul>\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=\"164\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39610-1-scaled-1-300x164.jpeg\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"Hoisting \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/word-image-39610-1-scaled-1-300x164.jpeg 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39610-1-scaled-1-1024x560.jpeg.webp 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39610-1-scaled-1-768x420.jpeg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39610-1-scaled-1-1536x839.jpeg.webp 1536w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/word-image-39610-1-scaled-1-2048x1119.jpeg.webp 2048w\" 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\/164;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/hoisting-in-js\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0622\u0645\u0648\u0632\u0634 Hoisting \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<h3 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644 \u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644 \u06f1: \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0628\u0647 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"\u06f1\u06f2\u06f3\"<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span>numberString<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>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 123<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644 \u06f2: \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0647 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631\u06cc<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"\u06f3.\u06f1\u06f4\"<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token function\">parseFloat<\/span><span class=\"token punctuation\">(<\/span>numberString<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>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 3.14<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644 \u06f3: \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f\u060c \u0628\u0647 \u0639\u062f\u062f<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> numberString <span class=\"token operator\">=<\/span> <span class=\"token string\">\"-\u06f1\u06f0\u06f0\"<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token operator\">+<\/span>numberString<span class=\"token punctuation\">;<\/span>\n\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: -100<\/span><\/code><\/pre>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644 \u06f4: \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0634\u06cc\u0621 \u0628\u0647 \u0639\u062f\u062f<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"token keyword\">let<\/span> object <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token string\">\"\u06f2\u06f0\u06f0\"<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">let<\/span> number <span class=\"token operator\">=<\/span> <span class=\"token function\">Number<\/span><span class=\"token punctuation\">(<\/span>object<span class=\"token punctuation\">.<\/span>value<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>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Output: 200<\/span><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u0686\u0647 \u062a\u0641\u0627\u0648\u062a\u06cc \u0628\u06cc\u0646 parseInt \u0648 parseFloat\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u061f<\/h4>\n\n\n\n<p>parseInt()\u200e \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0628\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0648\u062f\u0647 \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 parseFloat()\u200e \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0627\u0639\u0634\u0627\u0631\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0628\u0627\u06cc\u062f \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 + \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 Javascript \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u061f<\/h4>\n\n\n\n<p>\u0627\u0632 \u0639\u0645\u0644\u06af\u0631 + \u0628\u0627\u06cc\u062f \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f \u06a9\u0647 \u0631\u0634\u062a\u0647 \u0634\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0639\u062f\u062f\u06cc \u0634\u0631\u0648\u0639 \u0634\u0648\u062f.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">&nbsp;\u0645\u062a\u062f Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f\u061f<\/h4>\n\n\n\n<p>\u0645\u062a\u062f Number \u0631\u0648\u0634\u06cc \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u0647 \u0627\u0639\u062f\u0627\u062f \u0627\u0633\u062a.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0628\u0647\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u062f\u0627\u0645 \u0627\u0633\u062a\u061f<\/h4>\n\n\n\n<p>\u0628\u0647\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0647 \u0646\u06cc\u0627\u0632\u0647\u0627 \u0648 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635 \u0634\u0645\u0627 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\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=\"226\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/36d22183-1841-4e3f-9dd7-ea1df1e63359-300x226.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"Event \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\/36d22183-1841-4e3f-9dd7-ea1df1e63359-300x226.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/05\/36d22183-1841-4e3f-9dd7-ea1df1e63359-768x579.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/05\/36d22183-1841-4e3f-9dd7-ea1df1e63359.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\/226;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/event-in-javascript\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">Event \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &#8211; \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u062c\u0627\u0645\u0639<\/a>\n<\/section><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0645 \u0627\u0632 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0646 \u0631\u0634\u062a\u0647 \u0628\u0647 NaN \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u0645\u061f<\/h4>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0646 \u0631\u0634\u062a\u0647 \u0628\u0647 NaN\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0631\u0648\u0634\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u062f \u0631\u0634\u062a\u0647 \u0634\u0645\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0633\u062a\u060c \u0627\u0632 parseInt()\u200e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0644\u0627\u0645 \u067e\u0627\u06cc\u0627\u0646\u06cc<\/h2>\n\n\n\n<p>\u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0627\u06cc\u062c \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u060c \u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u0647\u0627 \u0648 \u0633\u0627\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u06cc\u0627\u0636\u06cc \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u062e\u0627\u0635 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u0646\u062f. \u0627\u0646\u062a\u062e\u0627\u0628 \u0631\u0648\u0634 \u0645\u0646\u0627\u0633\u0628 \u0628\u0647 \u0646\u06cc\u0627\u0632\u0647\u0627 \u0648 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635 \u0634\u0645\u0627 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\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-oop_1403-08-16-164350653\/6c307197a074dffea3bc17df00c0f463.webp?expire=4893471932&#038;token=c9a63f578ed0f0be04d9300e2fcec400&#038;md5=yaY_V47Q8L4E2TAOL87EAA==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 \u0634\u06cc \u06af\u0631\u0627\u06cc\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u067e\u0631\u0648\u0698\u0647 \u0645\u062d\u0648\u0631\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 \u0634\u06cc \u06af\u0631\u0627\u06cc\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u067e\u0631\u0648\u0698\u0647 \u0645\u062d\u0648\u0631\" \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%B4%DB%8C-%DA%AF%D8%B1%D8%A7%DB%8C%DB%8C-%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-mk1106\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 \u0634\u06cc \u06af\u0631\u0627\u06cc\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u067e\u0631\u0648\u0698\u0647 \u0645\u062d\u0648\u0631        <\/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                        \u06f3\u06f1\u06f9,\u06f6\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f6\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%B4%DB%8C-%DA%AF%D8%B1%D8%A7%DB%8C%DB%8C-%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-mk1106\/\">\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>\u0627\u06af\u0631 \u0628\u0647 \u0641\u06a9\u0631 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0635\u0648\u0631\u062a \u0635\u0641\u0631 \u062a\u0627 \u0635\u062f \u0647\u0633\u062a\u06cc\u062f \u0648 \u062f\u0648\u0633\u062a \u062f\u0627\u0631\u06cc\u062f \u062f\u0631 \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0628\u0647 \u062a\u062e\u0635\u0635 \u0628\u0631\u0633\u06cc\u062f\u060c \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0648\u0631\u0647 \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 \u0627\u0633\u062a. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0627\u0646\u0648\u0627\u0639 \u062f\u0648\u0631\u0647 <a href=\"https:\/\/maktabkhooneh.org\/learn\/programming\">\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc<\/a> \u0646\u06cc\u0632 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u06af\u0648\u0627\u0647\u06cc\u0646\u0627\u0645\u0647 \u067e\u0627\u06cc\u0627\u0646 \u062f\u0648\u0631\u0647 \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u06a9\u0627\u0631 \u0628\u0627 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0632 \u0627\u0647\u0645\u06cc\u062a \u0648\u06cc\u0698\u0647\u200c\u0627\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a. \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u062a\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0628\u0647 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