{"id":30149,"date":"2022-05-29T21:30:58","date_gmt":"2022-05-29T17:00:58","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=30149"},"modified":"2026-04-06T17:55:03","modified_gmt":"2026-04-06T14:25:03","slug":"number-in-javascript","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/number-in-javascript\/","title":{"rendered":"\u0635\u0641\u0631 \u062a\u0627 \u0635\u062f Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a"},"content":{"rendered":"\n<p>\u062f\u0631 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u062c\u062f\u06cc\u062f\u060c \u062f\u0648 \u0646\u0648\u0639 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0639\u062f\u0627\u062f \u0645\u0639\u0645\u0648\u0644\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u0641\u0631\u0645\u062a \u06f6\u06f4 \u0628\u06cc\u062a\u06cc IEEE-754 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u00ab\u0627\u0639\u062f\u0627\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0628\u0627 \u062f\u0642\u062a \u0645\u0636\u0627\u0639\u0641\u00bb \u0646\u06cc\u0632 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646\u200c\u0647\u0627 \u0627\u0639\u062f\u0627\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0627\u0648\u0642\u0627\u062a \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0648 \u062f\u0631 \u0627\u06cc\u0646 \u067e\u0633\u062a \u0622\u0645\u0648\u0632\u0634\u06cc \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u0622\u0646\u200c\u0647\u0627 \u0628\u0627\u0647\u0645 \u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645.<\/li>\n\n\n\n<li>\u0627\u0639\u062f\u0627\u062f BigInt\u060c \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u0628\u0627 \u0637\u0648\u0644 \u062f\u0644\u062e\u0648\u0627\u0647. \u0627\u06cc\u0646 \u0627\u0639\u062f\u0627\u062f \u0646\u06cc\u0632 \u0641\u0631\u0645\u062a \u062f\u06cc\u06af\u0631\u06cc \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0633\u062a\u0646\u062f \u0648 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u0648\u0631\u062f\u0646\u06cc\u0627\u0632 \u0647\u0633\u062a\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0645\u0639\u0645\u0648\u0644\u06cc \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0628\u0647\u200c\u0622\u0633\u0627\u0646\u06cc \u0627\u0632 \u06f2\u06f5\u06f3 \u062a\u062c\u0627\u0648\u0632 \u06a9\u0646\u062f \u06cc\u0627 \u06a9\u0645\u062a\u0631 \u0627\u0632 -\u06f2\u06f5\u06f3 \u0628\u0627\u0634\u062f. \u0627\u0632\u0622\u0646\u062c\u0627\u06cc\u06cc\u200c\u06a9\u0647 \u0628\u06cc\u06af\u06cc\u0646\u062a \u0647\u0627 \u062f\u0631 \u0686\u0646\u062f \u0646\u0627\u062d\u06cc\u0647 \u062e\u0627\u0635 \u0645\u0648\u0631\u062f\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0622\u0645\u0648\u0632\u0634\u06cc \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647\u200c\u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u0622\u0646\u200c\u0647\u0627 \u0628\u0647 \u0628\u062d\u062b \u062e\u0627\u0635\u06cc \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645.<\/li>\n<\/ul>\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\/java-script\/\" 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 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\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\/java-script\/\" 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<h2 class=\"wp-block-heading\">\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0628\u0627\u06cc\u062f \u06f1 \u0645\u06cc\u0644\u06cc\u0627\u0631\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645. \u0633\u0627\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<div id=\"qyeoea6aaf\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token keyword\">let<\/span> billion <span class=\"token operator\">=<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646\u062f\u0631\u0644\u0627\u06cc\u0646_ \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0627\u0631\u0642\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n\n\n\n<div id=\"znctmorbf4\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token keyword\">let<\/span> billion <span class=\"token operator\">=<\/span> <span class=\"token number\">1_000_000_000<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0622\u0646\u062f\u0631\u0644\u0627\u06cc\u0646 \u0646\u0642\u0634 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0627\u0639\u062f\u0627\u062f (\u0633\u0647 \u0631\u0642\u0645 \u0633\u0647 \u0631\u0642\u0645) \u0631\u0627 \u0628\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u06cc\u0646 \u0639\u062f\u062f \u0631\u0627 \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u0648\u062a\u0648\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647\u200c\u0633\u0627\u062f\u06af\u06cc _ \u0628\u06cc\u0646 \u0627\u0631\u0642\u0627\u0645 \u0631\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0628\u0647 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0622\u0646 \u0645\u06cc\u200c\u0627\u0641\u0632\u0627\u06cc\u062f.<\/p>\n\n\n\n<p>\u062f\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f \u0648\u0627\u0642\u0639\u06cc \u0645\u0627 \u0633\u0639\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0627\u0632 \u0646\u0648\u0634\u062a\u0646 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0635\u0641\u0631 \u062f\u0631 \u0627\u0639\u062f\u0627\u062f \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u0645. \u0645\u062b\u0644\u0627\u064b \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0632 \u06f7.\u06f3 \u0645\u06cc\u0644\u06cc\u0627\u0631\u062f \u0628\u0647\u200c\u062c\u0627\u06cc \u06f7 \u0645\u06cc\u0644\u06cc\u0627\u0631\u062f \u0648 \u06f3\u06f0\u06f0 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645. \u0647\u0645\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0631\u0627\u06cc \u0627\u06a9\u062b\u0631 \u0627\u0639\u062f\u0627\u062f \u0628\u0632\u0631\u06af \u0635\u0627\u062f\u0642 \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u0628\u0627 \u0627\u0644\u062d\u0627\u0642 \u062d\u0631\u0641 &#8220;e&#8221; \u0628\u0647 \u0622\u0646 \u0648 \u062a\u0639\u06cc\u06cc\u0646 \u062a\u0639\u062f\u0627\u062f \u0635\u0641\u0631\u0647\u0627 \u0622\u0646 \u0631\u0627 \u06a9\u0648\u062a\u0627\u0647 \u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0631\u0627 \u0646\u0645\u0627\u062f \u0639\u0644\u0645\u06cc \u0645\u06cc\u06af\u0648\u06cc\u06cc\u0645 \u0648 \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<div id=\"zeeizpjkjc\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><span class=\"token keyword\">let<\/span> billion <span class=\"token operator\">=<\/span> <span class=\"token number\">1e9<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f1 billion, literally: 1 and 9 zeroes\n<\/span><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">\u06f7.3e9<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f7.\u06f3 billions (same as 7300000000 or 7_300_000_000)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0628\u0647\u200c\u0639\u0628\u0627\u0631\u062a\u200c\u062f\u06cc\u06af\u0631\u060c e \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0635\u0641\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0634\u062f\u0647 \u0639\u062f\u062f \u0631\u0627 \u062f\u0631 \u06f1 \u0636\u0631\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<div id=\"zeeizpjkjc\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><span class=\"token number\">1e3<\/span> <span class=\"token operator\">===<\/span> <span class=\"token number\">\u06f1<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0\u06f0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ e3 means *1000\n<\/span><span class=\"token number\">\u06f1.23e6<\/span> <span class=\"token operator\">===<\/span> <span class=\"token number\">\u06f1.\u06f2\u06f3<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ e6 means *1000000<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u0627\u0639\u062f\u0627\u062f \u06a9\u0648\u0686\u06a9 \u0646\u06cc\u0632 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645. \u0645\u062b\u0644\u0627\u064b &nbsp;1 \u0645\u06cc\u06a9\u0631\u0648\u062b\u0627\u0646\u06cc\u0647 (\u06cc\u06a9 \u0645\u06cc\u0644\u06cc\u0648\u0646\u06cc\u0645 \u062b\u0627\u0646\u06cc\u0647) \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0642\u0627\u0628\u0644\u200c\u0646\u0645\u0627\u06cc\u0634 \u0627\u0633\u062a.<\/p>\n\n\n\n<div id=\"kj9e9pyfgq\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token keyword\">let<\/span> m\u0441s <span class=\"token operator\">=<\/span> <span class=\"token number\">\u06f0.\u06f0\u06f0\u06f0\u06f0\u06f0\u06f1<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u062f\u0631\u0633\u062a \u0645\u0627\u0646\u0646\u062f \u0642\u0628\u0644\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 &#8220;e&#8221; \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u0627\u06cc\u0646 \u0632\u0645\u06cc\u0646\u0647 \u0646\u06cc\u0632 \u06a9\u0645\u06a9\u200c\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0634\u062f. \u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0632 \u0646\u0648\u0634\u062a\u0646 \u0635\u0631\u06cc\u062d \u0635\u0641\u0631\u0647\u0627 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u0645\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645:<\/p>\n\n\n\n<div id=\"n90esi1j1y\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token keyword\">let<\/span> mcs <span class=\"token operator\">=<\/span> <span class=\"token number\">1e-6<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ six zeroes to the left from 1<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0627\u06af\u0631 \u0635\u0641\u0631\u0647\u0627 \u0631\u0627 \u062f\u0631 \u06f0.\u06f0\u06f0\u06f0\u06f0\u06f0\u06f1 \u0628\u0634\u0645\u0627\u0631\u06cc\u0645\u060c \u06f6 \u0639\u062f\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u061b \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0637\u0628\u06cc\u0639\u062a\u0627\u064b 1e-6 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0639\u062f\u062f \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f. \u0628\u0647\u200c\u0639\u0628\u0627\u0631\u062a\u200c\u062f\u06cc\u06af\u0631\u060c \u0639\u062f\u062f \u0645\u0646\u0641\u06cc \u0628\u0639\u062f \u0627\u0632 &#8220;e&#8221; \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u062a\u0642\u0633\u06cc\u0645\u200c\u0628\u0631 \u06f1 \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0635\u0641\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n\n\n\n<div id=\"zeeizpjkjc\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token number\"><span class=\"token comment\">\/\/ -\u06f3 divides by 1 with 3 zeroes<\/span>&nbsp;\n1e-3 <span class=\"token operator\">===<\/span> 1 <span class=\"token operator\">\/<\/span> 1000<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f0.\u06f0\u06f0\u06f1<\/span> \n<span class=\"token comment\">\/\/ -\u06f6 divides by 1 with 6 zeroes<\/span> \n\u06f1.23e-6<\/span> <span class=\"token operator\">===<\/span> <span class=\"token number\">\u06f1.\u06f2\u06f3<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f0.\u06f0\u06f0\u06f0\u06f0\u06f0\u06f1\u06f2\u06f3<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0639\u062f\u0627\u062f \u0647\u06af\u0632\u060c \u0628\u0627\u06cc\u0646\u0631\u06cc \u0648 \u0647\u0634\u062a\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript43.jpg\" alt=\"\u0627\u0639\u062f\u0627\u062f \u0647\u06af\u0632\u060c \u0628\u0627\u06cc\u0646\u0631\u06cc \u0648 \u0647\u0634\u062a\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" class=\"wp-image-30154\" title=\"\" srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript43.jpg 960w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript43-300x225.jpg 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/number-in-javascript43-768x576.jpg.webp 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p>\u0627\u0639\u062f\u0627\u062f \u0647\u06af\u0632\u0627\u062f\u0633\u06cc\u0645\u0627\u0644 \u0628\u0647\u200c\u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 \u0631\u0646\u06af\u200c\u0647\u0627\u060c \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0648 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0645\u0648\u0627\u0631\u062f \u062f\u06cc\u06af\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0637\u0628\u06cc\u0639\u062a\u0627\u064b \u0631\u0627\u0647 \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u0622\u0646\u200c\u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f: 0x \u0648 \u0633\u067e\u0633 \u0639\u062f\u062f. \u062f\u0631 \u0632\u06cc\u0631 \u0628\u0647 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f\u06cc \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0627\u06cc\u0646 \u0641\u0631\u0645\u062a \u0645\u06cc\u200c\u067e\u0631\u062f\u0627\u0632\u06cc\u0645.<\/p>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<div id=\"zeeizpjkjc\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">0xff<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f2\u06f5\u06f5<\/span> <span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">0xFF<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \n\u06f2\u06f5\u06f5 (the same, case doesn't matter)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u0628\u0627\u06cc\u0646\u0631\u06cc \u0648 \u0627\u06a9\u062a\u0627\u0644 \u0628\u0647\u200c\u0646\u062f\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u06cc\u0634\u0648\u0646\u062f\u0647\u0627\u06cc 0b \u0648 0o \u0646\u06cc\u0632 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f:<\/p>\n\n\n\n<div id=\"9mcxghnsv9\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><span class=\"token keyword\">let<\/span> a <span class=\"token operator\">=<\/span> <span class=\"token number\">0b11111111<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ binary form of 255\n<\/span> <span class=\"token keyword\">let<\/span> b <span class=\"token operator\">=<\/span> <span class=\"token number\">0o377<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ octal form of 255\n<\/span> <span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> a <span class=\"token operator\">==<\/span> b <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true, the same number 255 at both sides<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u062a\u0646\u0647\u0627 \u06f3 \u0633\u06cc\u0633\u062a\u0645 \u0639\u062f\u062f\u06cc \u0628\u0627 \u0686\u0646\u06cc\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u062f\u06cc\u06af\u0631\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u062a\u0627\u0628\u0639 parseInt \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 (\u06a9\u0647 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0622\u0646\u200c\u0647\u0627 \u0634\u0627\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645).<\/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=\"152\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/String-in-JavaScript-300x152.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"String \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/String-in-JavaScript-300x152.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/String-in-JavaScript-768x388.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/String-in-JavaScript.jpg 890w\" 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\/152;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/javascript-string\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">String \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &#8211; \u0622\u0645\u0648\u0632\u0634 \u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \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\">\u0627\u0639\u062f\u0627\u062f toString(base) \u062f\u0631 js<\/h3>\n\n\n\n<p>\u0645\u062a\u062f num.toString(base) \u06cc\u06a9 \u0646\u0645\u0627\u06cc\u0634 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0627\u0632 num Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0639\u062f\u0627\u062f \u0628\u0627 \u067e\u0627\u06cc\u0647 \u062f\u0627\u062f\u0647\u200c\u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<div id=\"1mst5uud8o\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><span class=\"token keyword\">let<\/span> num <span class=\"token operator\">=<\/span> <span class=\"token number\">\u06f2\u06f5\u06f5<\/span><span class=\"token punctuation\">;\n<\/span><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> num<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f1\u06f6<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ ff\n<\/span><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> num<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/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\">\/\/ \u06f1\u06f1\u06f1\u06f1\u06f1\u06f1\u06f1\u06f1<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u067e\u0627\u06cc\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u06f2 \u062a\u0627 \u06f3\u06f6 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0627\u0634\u062f. \u0628\u0647\u200c\u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0627\u06cc\u0646 \u067e\u0627\u06cc\u0647 \u06f1\u06f0 \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0627\u06cc\u062c \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0639\u0628\u0627\u0631\u062a\u200c\u0627\u0646\u062f \u0627\u0632:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>base=16 \u0628\u0631\u0627\u06cc \u0631\u0646\u06af\u200c\u0647\u0627\u06cc \u0647\u06af\u0632\u060c \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0648 \u063a\u06cc\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0627\u0631\u0642\u0627\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06f0..\u06f9 \u06cc\u0627 .F \u0628\u0627\u0634\u0646\u062f.<\/li>\n\n\n\n<li>base=2 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631\u0627\u06cc \u0627\u0634\u06a9\u0627\u0644\u200c\u0632\u062f\u0627\u06cc\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u06cc\u062a\u06cc \u0627\u0633\u062a\u060c \u0627\u0631\u0642\u0627\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06f0 \u06cc\u0627 \u06f1 \u0628\u0627\u0634\u0646\u062f.<\/li>\n\n\n\n<li>base=36 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u0642\u062f\u0627\u0631 \u067e\u0627\u06cc\u0647 \u0627\u0633\u062a\u060c \u0627\u0631\u0642\u0627\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06f0..\u06f9 \u06cc\u0627 .Z \u0628\u0627\u0634\u0646\u062f. \u06a9\u0644 \u0627\u0644\u0641\u0628\u0627\u06cc \u0644\u0627\u062a\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u06f3\u06f6 \u0632\u0645\u0627\u0646\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0639\u062f\u062f\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0631\u0627 \u0628\u0647 \u0686\u06cc\u0632\u06cc \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645\u060c \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646\u200c\u0645\u062b\u0627\u0644 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 URL \u06a9\u0648\u062a\u0627\u0647. \u0628\u0647\u200c\u0633\u0627\u062f\u06af\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0639\u062f\u0627\u062f \u0628\u0627 \u067e\u0627\u06cc\u0647 \u06f3\u06f6 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f:<\/li>\n<\/ul>\n\n\n\n<div id=\"r75sku32h2\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">\u06f1\u06f2\u06f3\u06f4\u06f5\u06f6.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f3\u06f6<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 2n9c<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"important important_warn\"><\/div>\n\n\n\n<p><strong>\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645: \u062f\u0648\u0646\u0642\u0637\u0647 (..) \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06cc\u06a9 \u0645\u062a\u062f<\/strong><\/p>\n\n\n\n<p>\u0644\u0637\u0641\u0627\u064b \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u062f\u0648\u0646\u0642\u0637\u0647 \u062f\u0631 \u06f1\u06f2\u06f3\u06f4\u06f5\u06f6..toString(36) \u0627\u0634\u062a\u0628\u0627\u0647 \u062a\u0627\u06cc\u067e\u06cc \u0646\u06cc\u0633\u062a. \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u06cc\u06a9 \u0645\u062a\u062f \u0631\u0627 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0631\u0648\u06cc \u06cc\u06a9 \u0639\u062f\u062f \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u0627\u0646\u0646\u062f toString \u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627\u060c \u0628\u0627\u06cc\u062f \u062f\u0648\u0646\u0642\u0637\u0647 \u0631\u0627 \u0628\u0639\u062f\u0627\u0632\u0622\u0646 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645.<\/p>\n\n\n\n<p>\u0627\u06af\u0631 \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u0631\u0627 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645: \u06f1\u06f2\u06f3\u06f4\u06f5\u06f6.toString(36)\u060c \u0622\u0646\u06af\u0627\u0647 \u062e\u0637\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a\u060c \u0632\u06cc\u0631\u0627 \u0646\u062d\u0648 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0642\u0633\u0645\u062a \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0639\u062f \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0646\u0642\u0637\u0647 \u0627\u0633\u062a\u061b \u0648 \u0627\u06af\u0631 \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u062f\u06cc\u06af\u0631 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u06cc\u200c\u062f\u0627\u0646\u062f \u06a9\u0647 \u0642\u0633\u0645\u062a \u0627\u0639\u0634\u0627\u0631\u06cc \u062e\u0627\u0644\u06cc \u0627\u0633\u062a \u0648 \u0627\u06a9\u0646\u0648\u0646 \u0628\u0647 \u0631\u0648\u0634 \u0645\u06cc\u200c\u0631\u0648\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647\u200c\u0635\u0648\u0631\u062a (\u06f1\u06f2\u06f3\u06f4\u06f5\u06f6).toString(36) \u0628\u0646\u0648\u06cc\u0633\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0627\u0639\u062f\u0627\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"960\" height=\"720\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript12.jpg\" alt=\"\u06af\u0631\u062f \u06a9\u0631\u062f\u0646 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" class=\"wp-image-30155 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript12.jpg 960w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript12-300x225.jpg 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/number-in-javascript12-768x576.jpg.webp 768w\" data-sizes=\"(max-width: 960px) 100vw, 960px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/720;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f\u062a\u0631\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0627\u0633\u062a. \u0686\u0646\u062f\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0627\u06cc \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>floor: \u06af\u0631\u062f \u06a9\u0631\u062f\u0646: \u06f3.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f \u06f3 \u0648 -\u06f1.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f -\u06f2.<\/li>\n\n\n\n<li>ceil: \u06af\u0631\u062f \u06a9\u0631\u062f\u0646: \u06f3.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f \u06f4 \u0648 -\u06f1.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f -\u06f1.<\/li>\n\n\n\n<li>round: \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9\u200c\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06af\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f: \u06f3.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f \u06f3\u060c \u06f3.\u06f6 \u0645\u06cc\u200c\u0634\u0648\u062f \u06f4\u060c \u062d\u0627\u0644\u062a \u0645\u06cc\u0627\u0646\u06cc: \u06f3.\u06f5 \u062a\u0627 \u06f4 \u0631\u0627 \u0646\u06cc\u0632 \u06af\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li>trunc (\u062a\u0648\u0633\u0637 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0627\u06a9\u0633\u067e\u0644\u0648\u0631\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u0645\u06cc\u200c\u0634\u0648\u062f): \u0647\u0631 \u0686\u06cc\u0632\u06cc \u0631\u0627 \u0628\u0639\u062f \u0627\u0632 \u0646\u0642\u0637\u0647 \u0627\u0639\u0634\u0627\u0631 \u0628\u062f\u0648\u0646 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f: \u06f3.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f \u06f3\u060c -\u06f1.\u06f1 \u0645\u06cc\u200c\u0634\u0648\u062f -\u06f1.<\/li>\n<\/ul>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062c\u062f\u0648\u0644 \u0628\u0631\u0627\u06cc \u062e\u0644\u0627\u0635\u0647 \u06a9\u0631\u062f\u0646 \u062a\u0641\u0627\u0648\u062a\u200c\u0647\u0627\u06cc \u0628\u06cc\u0646 \u0622\u0646\u200c\u0647\u0627 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"837\" height=\"215\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/Snapshot_22-05-26_11-00-01.png\" alt=\"\u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0627\u0639\u062f\u0627\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" class=\"wp-image-30152 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/Snapshot_22-05-26_11-00-01.png 837w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/Snapshot_22-05-26_11-00-01-300x77.png.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/Snapshot_22-05-26_11-00-01-768x197.png.webp 768w\" data-sizes=\"(max-width: 837px) 100vw, 837px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 837px; --smush-placeholder-aspect-ratio: 837\/215;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p>\u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u062a\u0645\u0627\u0645 \u0631\u0627\u0647\u200c\u0647\u0627\u06cc \u0645\u0645\u06a9\u0646 \u0628\u0631\u0627\u06cc \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u0642\u0633\u0645\u062a \u0627\u0639\u0634\u0627\u0631\u06cc \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u067e\u0648\u0634\u0634 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f\u061b \u0627\u0645\u0627 \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0639\u062f \u0627\u0632 \u0627\u0639\u0634\u0627\u0631 \u0639\u062f\u062f \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f n-\u0627\u0645 \u06af\u0631\u062f \u06a9\u0646\u06cc\u0645 \u0686\u0647\u061f \u06cc\u0639\u0646\u06cc \u062a\u0639\u062f\u0627\u062f \u0631\u0642\u0645\u06cc \u062e\u0627\u0635 \u0628\u0639\u062f \u0627\u0632 \u0627\u0639\u0634\u0627\u0631. \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646\u200c\u0645\u062b\u0627\u0644\u060c \u0645\u0627 \u06f1.\u06f2\u06f3\u06f4\u06f5 \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06f2 \u0631\u0642\u0645 \u06af\u0631\u062f \u06a9\u0646\u06cc\u0645 \u0648 \u0641\u0642\u0637 \u06f1.\u06f2\u06f3 \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u0645.<\/p>\n\n\n\n<p>\u062f\u0648 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f:<\/p>\n\n\n\n<p>\u0636\u0631\u0628 \u0648 \u062a\u0642\u0633\u06cc\u0645:<\/p>\n\n\n\n<p>\u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646\u200c\u0645\u062b\u0627\u0644\u060c \u0628\u0631\u0627\u06cc \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0639\u062f\u062f \u0628\u0647 \u0631\u0642\u0645 \u062f\u0648\u0645 \u0628\u0639\u062f \u0627\u0632 \u0627\u0639\u0634\u0627\u0631\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0639\u062f\u062f \u0631\u0627 \u062f\u0631 \u06f1\u06f0\u06f0 \u0636\u0631\u0628 \u06a9\u0631\u062f\u060c \u062a\u0627\u0628\u0639 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0631\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n\n\n\n<div id=\"dq88k8kpdu\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\"><span class=\"token keyword\">let<\/span> num <span class=\"token operator\">=<\/span> <span class=\"token number\">\u06f1.\u06f2\u06f3\u06f4\u06f5\u06f6<\/span><span class=\"token punctuation\">;<\/span>&nbsp;\n\nalert<\/span><span class=\"token punctuation\">(<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">round<\/span><span class=\"token punctuation\">(<\/span>num <span class=\"token operator\">*<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f1.\u06f2\u06f3\u06f4\u06f5\u06f6 -&gt; 123.456 -&gt; 123 -&gt; 1.23<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0645\u062a\u062f toFixed(n):<\/p>\n\n\n\n<p>\u0645\u062a\u062f toFixed(n) \u0639\u062f\u062f \u0631\u0627 \u0628\u0647 n \u0631\u0642\u0645 \u0628\u0639\u062f \u0627\u0632 \u0646\u0642\u0637\u0647 \u06af\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u0646\u0645\u0627\u06cc\u0634 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0627\u0632 \u0646\u062a\u06cc\u062c\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<div id=\"ne2tw8fqms\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\"><span class=\"token keyword\">let<\/span> num <span class=\"token operator\">=<\/span> <span class=\"token number\">\u06f1\u06f2.\u06f3\u06f4<\/span><span class=\"token punctuation\">;<\/span>&nbsp;\nalert<\/span><span class=\"token punctuation\">(<\/span> num<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/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\">\/\/ \"\u06f1\u06f2.\u06f3\"<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0627\u06cc\u0646 \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9\u200c\u062a\u0631\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631\u060c \u0645\u0634\u0627\u0628\u0647 Math.round\u060c \u0628\u0627\u0644\u0627 \u06cc\u0627 \u067e\u0627\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u0634\u0648\u062f:<\/p>\n\n\n\n<div id=\"an6lf3gzkf\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">let num = 12.36;\nalert<\/span><span class=\"token punctuation\">(<\/span> num<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/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\">\/\/ \"\u06f1\u06f2.\u06f4\"<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0644\u0637\u0641\u0627\u064b \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0646\u062a\u06cc\u062c\u0647 toFixed \u06cc\u06a9\u200c\u0631\u0634\u062a\u0647 \u0627\u0633\u062a. \u0627\u06af\u0631 \u0642\u0633\u0645\u062a \u0627\u0639\u0634\u0627\u0631\u06cc \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0645\u0648\u0631\u062f\u0646\u06cc\u0627\u0632 \u0628\u0627\u0634\u062f\u060c \u0635\u0641\u0631\u0647\u0627 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f:<\/p>\n\n\n\n<div id=\"2ers183wm6\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">let num = 12.34;\nalert<\/span><span class=\"token punctuation\">(<\/span> num<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \"\u06f1\u06f2.\u06f3\u06f4\u06f0\u06f0\u06f0\", added zeroes to make exactly 5 digits<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\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=\"169\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/javascript-1024x576-1-300x169.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u062f\u0633\u062a\u0648\u0631 break \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/javascript-1024x576-1-300x169.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/javascript-1024x576-1-768x432.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/javascript-1024x576-1.webp 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\/169;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/javascript-break\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u062f\u0633\u062a\u0648\u0631 break \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/a>\n<\/section><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u0645\u062d\u0627\u0633\u0628\u0627\u062a \u063a\u06cc\u0631\u062f\u0642\u06cc\u0642 \u062f\u0631 js<\/h3>\n\n\n\n<p>\u06cc\u06a9 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u0641\u0631\u0645\u062a \u06f6\u06f4 \u0628\u06cc\u062a\u06cc IEEE-754 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06af\u0641\u062a \u06a9\u0647 \u062f\u0642\u06cc\u0642\u0627\u064b \u06f6\u06f4 \u0628\u06cc\u062a \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f: \u06f5\u06f2 \u0628\u06cc\u062a \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0627\u0631\u0642\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u06f1\u06f1 \u0639\u062f\u062f \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0645\u0648\u0642\u0639\u06cc\u062a \u0646\u0642\u0637\u0647 \u0627\u0639\u0634\u0627\u0631 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f (\u0628\u0631\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u0635\u0641\u0631 \u0647\u0633\u062a\u0646\u062f) \u0648 \u06f1 \u0628\u06cc\u062a \u0628\u0631\u0627\u06cc \u0639\u0644\u0627\u0645\u062a \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u0627\u06af\u0631 \u06cc\u06a9 \u0639\u062f\u062f \u062e\u06cc\u0644\u06cc \u0628\u0632\u0631\u06af \u0628\u0627\u0634\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0641\u0636\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u06f6\u06f4 \u0628\u06cc\u062a\u06cc \u0631\u0627 \u0633\u0631\u0631\u06cc\u0632 \u06a9\u0646\u062f \u0648 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0639\u062f\u062f\u06cc \u0648\u06cc\u0698\u0647 Infinity \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f:<\/p>\n\n\n\n<div id=\"ekvkvj0ilo\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">1e500<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Infinity<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0645\u0627 \u0627\u063a\u0644\u0628 \u062f\u0642\u062a \u0631\u0627 \u0627\u0632 \u062f\u0633\u062a \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645. \u0645\u062b\u0644\u0627\u064b \u0627\u06cc\u0646 \u062a\u0633\u062a \u0628\u0631\u0627\u0628\u0631\u06cc \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n\n\n\n<div id=\"bcpjg9vj41\" class=\"code-example\" data-trusted=\"1\" data-highlight=\"[{&quot;start&quot;:0,&quot;cols&quot;:[{&quot;start&quot;:30,&quot;end&quot;:35}]}]\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">\u06f0.\u06f1<\/span> <span class=\"token operator\">+<\/span> <span class=\"token number\">\u06f0.\u06f2<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">\u06f0.\u06f3<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ <em class=\"inline-highlight\">false<\/em><\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0647\u0631\u0686\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0646\u06af\u0627\u0647 \u0627\u0648\u0644 \u062d\u062f\u0633 \u0628\u0632\u0646\u06cc\u062f \u062c\u0648\u0627\u0628 \u062f\u0631\u0633\u062a \u0628\u0627\u0634\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 \u06a9\u0645\u0627\u0644 \u0646\u0627\u0628\u0627\u0648\u0631\u06cc \u062c\u0648\u0627\u0628 <em>false<\/em><em> \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/em><\/p>\n\n\n\n<div id=\"53t5htnxlp\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">\u06f0.\u06f1<\/span> <span class=\"token operator\">+<\/span> <span class=\"token number\">\u06f0.\u06f2<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f0.\u06f3\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f4<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0627\u0645\u0627 \u0686\u0631\u0627 \u0627\u06cc\u0646 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc\u200c\u0627\u0641\u062a\u062f\u061f<\/p>\n\n\n\n<p>\u06cc\u06a9 \u0639\u062f\u062f \u0628\u0647 \u0634\u06a9\u0644 \u062f\u0648\u062f\u0648\u06cc\u06cc \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0627\u06cc \u0627\u0632 \u0628\u06cc\u062a\u200c\u0647\u0627 &#8211; \u06cc\u06a9 \u0648 \u0635\u0641\u0631\u061b \u0627\u0645\u0627 \u0627\u0639\u062f\u0627\u062f \u06a9\u0633\u0631\u06cc \u0645\u0627\u0646\u0646\u062f \u06f0.\u06f1\u060c \u06f0.\u06f2 \u06a9\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0639\u062f\u062f\u06cc \u0627\u0639\u0634\u0627\u0631\u06cc \u0633\u0627\u062f\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0631\u0633\u0646\u062f\u060c \u062f\u0631\u0648\u0627\u0642\u0639 \u06a9\u0633\u0631\u0647\u0627\u06cc \u0628\u06cc\u200c\u067e\u0627\u06cc\u0627\u0646 \u062f\u0631 \u0634\u06a9\u0644 \u062f\u0648\u062f\u0648\u06cc\u06cc \u062e\u0648\u062f \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p>\u06f0.\u06f1 \u0686\u06cc\u0633\u062a\u061f \u062a\u0642\u0633\u06cc\u0645\u200c\u0628\u0631 \u062f\u0647 \u06f1\/\u06f1\u06f0\u060c \u06cc\u06a9\u200c\u062f\u0647\u0645 \u0627\u0633\u062a. \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0639\u062f\u0627\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0686\u0646\u06cc\u0646 \u0627\u0639\u062f\u0627\u062f\u06cc \u0628\u0647\u200c\u0631\u0627\u062d\u062a\u06cc \u0642\u0627\u0628\u0644\u200c\u0646\u0645\u0627\u06cc\u0634 \u0647\u0633\u062a\u0646\u062f. \u0622\u0646 \u0631\u0627 \u0628\u0627 \u06cc\u06a9\u200c\u0633\u0648\u0645 \u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0646\u06cc\u062f: \u06f1\/\u06f3. \u062a\u0628\u062f\u06cc\u0644 \u0628\u0647 \u06a9\u0633\u0631\u06cc \u0628\u06cc\u200c\u067e\u0627\u06cc\u0627\u0646 \u06f0.\u06f3\u06f3\u06f3\u06f3\u06f3(\u06f3) \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p>\u0641\u0642\u0637 \u0647\u06cc\u0686 \u0631\u0627\u0647\u06cc \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u06f0.\u06f1 \u06cc\u0627 \u062f\u0642\u06cc\u0642\u0627\u064b \u06f0.\u06f2 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627\u06cc\u0646\u0631\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f\u060c \u0647\u0645\u0627\u0646\u200c\u0637\u0648\u0631 \u06a9\u0647 \u0647\u06cc\u0686 \u0631\u0627\u0647\u06cc \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u06cc\u06a9\u200c\u0633\u0648\u0645 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u06a9\u0633\u0631 \u0627\u0639\u0634\u0627\u0631\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<p>\u0641\u0631\u0645\u062a \u0639\u062f\u062f\u06cc IEEE-754 \u062f\u0631 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0631\u0627 \u0628\u0627 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9\u200c\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0645\u0645\u06a9\u0646 \u062d\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u0639\u0645\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n\n\n\n<div id=\"ugm637jxux\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">\u06f0.\u06f1<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f2\u06f0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f0.\u06f1\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f5\u06f5\u06f5<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0648 \u0648\u0642\u062a\u06cc \u062f\u0648 \u0639\u062f\u062f \u0631\u0627 \u062c\u0645\u0639 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c &#8220;\u062a\u0644\u0641\u0627\u062a \u062f\u0642\u06cc\u0642&#8221; \u0622\u0646\u200c\u0647\u0627 \u062c\u0645\u0639 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u06f0.\u06f1 + \u06f0.\u06f2 \u062f\u0642\u06cc\u0642\u0627\u064b \u06f0.\u06f3 \u0646\u06cc\u0633\u062a.<\/p>\n\n\n\n<p>\u0646\u0647\u200c\u062a\u0646\u0647\u0627 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0645\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u062f\u0631 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062f\u06cc\u06af\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u067e\u06cc \u0627\u0686 \u067e\u06cc\u060c \u062c\u0627\u0648\u0627\u060c \u0633\u06cc\u060c \u067e\u0631\u0644\u060c \u0631\u0648\u0628\u06cc \u062f\u0642\u06cc\u0642\u0627\u064b \u0646\u062a\u06cc\u062c\u0647 \u0645\u0634\u0627\u0628\u0647\u06cc \u062f\u0627\u0631\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0641\u0631\u0645\u062a \u0639\u062f\u062f\u06cc \u06cc\u06a9\u0633\u0627\u0646\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p>\u0622\u06cc\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u0634\u06a9\u0644 \u0631\u0627 \u062d\u0644 \u06a9\u0646\u06cc\u0645\u061f \u0645\u0637\u0645\u0626\u0646\u0627\u064b \u0645\u0637\u0645\u0626\u0646\u200c\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0646\u062a\u06cc\u062c\u0647 \u0628\u0627 \u06a9\u0645\u06a9 \u0631\u0648\u0634 toFixed(n) \u0627\u0633\u062a:<\/p>\n\n\n\n<div id=\"s1423ffbjm\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\"><span class=\"token keyword\">let<\/span> sum <span class=\"token operator\">=<\/span> <span class=\"token number\">\u06f0.\u06f1<\/span> <span class=\"token operator\">+<\/span> <span class=\"token number\">\u06f0.\u06f2<\/span><span class=\"token punctuation\">;<\/span>&nbsp;\nalert<\/span><span class=\"token punctuation\">(<\/span> sum<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/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\">\/\/ \"\u06f0.\u06f3\u06f0\"<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0644\u0637\u0641\u0627\u064b \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 toFixed \u0647\u0645\u06cc\u0634\u0647 \u06cc\u06a9\u200c\u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06cc\u0646 &nbsp;\u0631\u0648\u0634 \u062f\u0631 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &nbsp;\u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0639\u062f\u062f \u062f\u0627\u0631\u0627\u06cc \u06f2 \u0631\u0642\u0645 \u0628\u0639\u062f \u0627\u0632 \u0646\u0642\u0637\u0647 \u0627\u0639\u0634\u0627\u0631 \u0627\u0633\u062a.<\/p>\n\n\n\n<div id=\"czlpymn2pv\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">let sum = 0.1 + 0.2;\nalert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token operator\">+<\/span>sum<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/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\">\/\/ \u06f0.\u06f3<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647\u200c\u0637\u0648\u0631 \u0645\u0648\u0642\u062a \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u062f\u0631 \u06f1\u06f0\u06f0 (\u06cc\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0628\u0632\u0631\u06af\u200c\u062a\u0631) \u0636\u0631\u0628 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645 \u06cc\u0627 \u0633\u0627\u06cc\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u06cc\u0627\u0636\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645. \u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0646\u06cc\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0627 \u062d\u062f\u0648\u062f\u06cc \u062f\u0642\u062a \u0631\u0627 \u0628\u0627\u0644\u0627 \u0628\u0628\u0631\u06cc\u0645 \u0648 \u062e\u0637\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u06cc\u0645. \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n\n\n\n<div id=\"9px5nva1tq\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert( (0.1 * 10 + 0.2 * 10) \/ 10 ); \/\/ 0.3\nalert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f0.\u06f2\u06f8<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0<\/span> <span class=\"token operator\">+<\/span> <span class=\"token number\">\u06f0.\u06f1\u06f4<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">\u06f1\u06f0\u06f0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f0.\u06f4\u06f2\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f1<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0631\u0648\u06cc\u06a9\u0631\u062f \u0636\u0631\u0628\/\u062a\u0642\u0633\u06cc\u0645 \u062e\u0637\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u0627\u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u062d\u0630\u0641 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;isFinite \u0648 isNaN \u0628\u0627 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"960\" height=\"720\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript545.jpg\" alt=\"\u00a0isFinite \u0648 isNaN \u0628\u0627 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\" class=\"wp-image-30156 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2022\/05\/number-in-javascript545.jpg 960w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/number-in-javascript545-300x225.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2022\/05\/number-in-javascript545-768x576.jpg.webp 768w\" data-sizes=\"(max-width: 960px) 100vw, 960px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/720;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Infinity (\u0648 -Infinity) \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0639\u062f\u062f\u06cc \u062e\u0627\u0635 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0647\u0631 \u0686\u06cc\u0632\u06cc \u0628\u0632\u0631\u06af\u200c\u062a\u0631 (\u06a9\u0645\u062a\u0631) \u0627\u0633\u062a \u0648 \u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647 \u0628\u06cc\u0627\u0646\u200c\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 \u0628\u06cc\u200c\u0646\u0647\u0627\u06cc\u062a \u06a9\u0648\u0686\u06a9 \u06cc\u0627 \u0628\u06cc\u200c\u0646\u0647\u0627\u06cc\u062a \u0628\u0632\u0631\u06af \u0647\u0633\u062a\u0646\u062f.<\/li>\n\n\n\n<li>NaN\u0646\u0634\u0627\u0646\u200c\u062f\u0647\u0646\u062f\u0647 \u06cc\u06a9 \u062e\u0637\u0627 \u0627\u0633\u062a.<\/li>\n<\/ul>\n\n\n\n<p>\u0627\u06cc\u0646 \u0646\u0648\u0639 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0639\u0627\u062f\u06cc \u0646\u06cc\u0633\u062a\u0646\u062f \u0648 \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0628\u0647 \u062a\u0648\u0627\u0628\u0639 \u062e\u0627\u0635\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<p>isNaN(value) \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc NaN \u0628\u0648\u062f\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n\n\n\n<div id=\"mjr3f615ye\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<span class=\"token punctuation\">(<\/span> isNaN<span class=\"token punctuation\">(<\/span><span class=\"token number\">NaN<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true<\/span>&nbsp;\nalert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">isNaN<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"str\"<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0627\u0645\u0627 \u0622\u06cc\u0627 \u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645\u061f \u0622\u06cc\u0627 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0641\u0642\u0637 \u0627\u0632 \u0645\u0642\u0627\u06cc\u0633\u0647 === NaN \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f \u067e\u0627\u0633\u062e \u0645\u0646\u0641\u06cc \u0627\u0633\u062a \u0648 \u0645\u0627 \u0645\u0644\u0632\u0645 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0647\u0633\u062a\u06cc\u0645. \u0645\u0642\u062f\u0627\u0631 NaN \u0627\u0632 \u0627\u06cc\u0646 \u0646\u0638\u0631 \u0645\u0646\u062d\u0635\u0631\u0628\u0647\u200c\u0641\u0631\u062f \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u0647\u06cc\u0686\u200c\u0686\u06cc\u0632 \u0627\u0632\u062c\u0645\u0644\u0647 \u062e\u0648\u062f\u0634 \u0628\u0631\u0627\u0628\u0631\u06cc \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n\n\n\n<div id=\"coungh765m\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token number\">NaN<\/span> <span class=\"token operator\">===<\/span> <span class=\"token number\">NaN<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ false<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>isFinite(value) \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0627\u06af\u0631 \u06cc\u06a9 \u0639\u062f\u062f \u0645\u0646\u0638\u0645 \u0628\u0627\u0634\u062f\u060c \u0646\u0647 NaN\/Infinity\/-Infinity\u060c \u0645\u0642\u062f\u0627\u0631 true \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n\n\n\n<div id=\"ktscgzixj0\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert( isFinite(\"15\") ); \/\/ true\nalert( isFinite(\"str\") ); \/\/ false, because a special value: NaN\nalert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">isFinite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">Infinity<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ false, because a special value: Infinity<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a isFinite \u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0634\u062a\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u0645\u0646\u0638\u0645 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f:<\/p>\n\n\n\n<div id=\"3jlxp4vqg7\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\">let num = +prompt(\"Enter a number\", '');\n\/\/ will be true unless you enter Infinity, -Infinity or not a number\n<code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">isFinite<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0644\u0637\u0641\u0627\u064b \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u06cc\u06a9\u200c\u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u06cc\u0627 \u0641\u0642\u0637 \u0628\u0627\u0641\u0627\u0635\u0644\u0647 \u062f\u0631 \u0647\u0645\u0647 \u062a\u0648\u0627\u0628\u0639 \u0639\u062f\u062f\u06cc \u0627\u0632\u062c\u0645\u0644\u0647 isFinite \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u06f0 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">parseInt \u0648 parseFloat<\/h3>\n\n\n\n<p>\u062a\u0628\u062f\u06cc\u0644 \u0639\u062f\u062f\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 + + \u06cc\u0627 Number() \u0686\u0646\u062f\u0627\u0646 \u0631\u0648\u0634 \u0622\u0633\u0627\u0646\u06cc \u0646\u06cc\u0633\u062a \u0648 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f \u063a\u06cc\u0631 \u0639\u062f\u062f\u06cc \u062a\u0628\u062f\u06cc\u0644\u200c\u0647\u0627 \u0627\u06cc\u0646 \u0631\u0648\u0634\u200c\u0647\u0627 \u0627\u0635\u0644\u0627\u064b \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0646\u06cc\u0633\u062a. \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0648\u0634\u200c\u0647\u0627\u06cc &nbsp;parseInt \u0648 parseFloat \u0631\u0627 \u0645\u0648\u0631\u062f\u0628\u0631\u0631\u0633\u06cc \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645 \u062a\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f.<\/p>\n\n\n\n<div id=\"htbitqihcl\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token operator\">+<\/span><span class=\"token string\">\"100px\"<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ NaN<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u062a\u0646\u0647\u0627 \u0627\u0633\u062a\u062b\u0646\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0632\u0645\u06cc\u0646\u0647\u060c \u0627\u0633\u067e\u06cc\u0633\u200c\u0647\u0627\u06cc \u0627\u0628\u062a\u062f\u0627\u06cc \u06cc\u0627 \u0627\u0646\u062a\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0622\u0646\u200c\u0647\u0627 \u0646\u0627\u062f\u06cc\u062f\u0647 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p>\u0627\u0645\u0627 \u062f\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f \u0648\u0627\u0642\u0639\u06cc \u0645\u0627 \u0627\u063a\u0644\u0628 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u062f\u0631 \u0648\u0627\u062d\u062f\u0647\u0627 \u062f\u0627\u0631\u06cc\u0645\u060c \u0645\u0627\u0646\u0646\u062f &#8220;100px&#8221; \u06cc\u0627 &#8220;12pt&#8221; \u062f\u0631 CSS. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u06a9\u0634\u0648\u0631\u0647\u0627 \u0646\u0645\u0627\u062f \u0627\u0631\u0632 \u0628\u0639\u062f \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f\u060c \u0645\u062b\u0644\u0627\u064b \u0645\u0627 &#8220;\u06f1\u06f9\u20ac&#8221; \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0645\u0642\u062f\u0627\u0631 \u0639\u062f\u062f\u06cc \u0631\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u062e\u0631\u0627\u062c\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u0647\u0645\u0627\u0646 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 parseInt \u0648 parseFloat \u0628\u0631\u0627\u06cc \u0622\u0646 \u0628\u0647 \u0648\u062c\u0648\u062f \u0622\u0645\u062f\u0647\u200c\u0627\u0646\u062f:<\/p>\n\n\n\n<p>\u0622\u0646\u200c\u0647\u0627 \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u0627\u0632 \u06cc\u06a9\u200c\u0631\u0634\u062a\u0647 \u0627\u0633\u062a\u062e\u0631\u0627\u062c &nbsp;\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f. \u062f\u0631 \u0635\u0648\u0631\u062a \u0628\u0631\u0648\u0632 &nbsp;\u06cc\u06a9 \u062e\u0637\u0627\u060c \u0634\u0645\u0627\u0631\u0647 \u062c\u0645\u0639\u200c\u0622\u0648\u0631\u06cc\u200c\u0634\u062f\u0647 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062a\u0627\u0628\u0639 parseInt \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u062f\u0631\u062d\u0627\u0644\u06cc\u200c\u06a9\u0647 parseFloat \u06cc\u06a9 \u0639\u062f\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n\n\n\n<div id=\"yxb7km2dmo\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert( parseInt('100px') ); \/\/ 100\nalert( parseFloat('12.5em') ); \/\/ 12.5\nalert( parseInt('12.3') ); \/\/ 12, only the integer part is returned\nalert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">parseFloat<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'\u06f1\u06f2.\u06f3.\u06f4'<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f1\u06f2.\u06f3, the second point stops the reading<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0634\u0631\u0627\u06cc\u0637\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 parseInt\/parseFloat NaN \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0632\u0645\u0627\u0646\u06cc \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc\u200c\u0627\u0641\u062a\u062f \u06a9\u0647 \u0647\u06cc\u0686\u200c\u0631\u0642\u0645\u06cc \u0642\u0627\u0628\u0644\u200c\u062e\u0648\u0627\u0646\u062f\u0646 \u0646\u0628\u0627\u0634\u062f:<\/p>\n\n\n\n<div id=\"10mt1sd0c3\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'a123'<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ NaN, the first symbol stops the process<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0648\u0645 parseInt(str, radix)<\/p>\n\n\n\n<p>\u062a\u0627\u0628\u0639 parseInt() \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062f\u0648\u0645 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u062f\u0627\u0631\u062f. \u067e\u0627\u06cc\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 parseInt \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u0647\u06af\u0632\u060c \u0627\u0639\u062f\u0627\u062f \u0628\u0627\u06cc\u0646\u0631\u06cc \u0648 \u063a\u06cc\u0631\u0647 \u0631\u0627 \u062f\u0631 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u062f:<\/p>\n\n\n\n<div class=\"important important_smart\">\n<div class=\"important__content\">\n<div id=\"cbctebwjdn\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert( parseInt('0xff', 16) ); \/\/ 255\nalert( parseInt('ff', 16) ); \/\/ 255, without 0x also works\nalert<\/span><span class=\"token punctuation\">(<\/span> <span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'2n9c'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">\u06f3\u06f6<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f1\u06f2\u06f3\u06f4\u06f5\u06f6<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u0633\u0627\u06cc\u0631 \u062a\u0648\u0627\u0628\u0639 \u0631\u06cc\u0627\u0636\u06cc \u0628\u0631\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9\u0634\u06cc \u0631\u06cc\u0627\u0636\u06cc \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0627\u06cc Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u06a9\u0648\u0686\u06a9 \u0627\u0632 \u062a\u0648\u0627\u0628\u0639 \u0648 \u062b\u0627\u0628\u062a\u200c\u0647\u0627\u06cc \u0631\u06cc\u0627\u0636\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n<p>\u0686\u0646\u062f \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<p><strong>Math.random()<\/strong><\/p>\n\n\n\n<p>\u06cc\u06a9 \u0639\u062f\u062f \u062a\u0635\u0627\u062f\u0641\u06cc \u0627\u0632 \u06f0 \u062a\u0627 \u06f1 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f (\u0628\u062f\u0648\u0646 \u0627\u062d\u062a\u0633\u0627\u0628 \u06f1).<\/p>\n\n\n\n<div id=\"4sg6ypx2os\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert( Math.random() ); \/\/ 0.1234567894322\nalert( Math.random() ); \/\/ 0.5435252343232\nalert( Math.random() ); \/\/ ... (any random numbers)\nalert<\/span><span class=\"token punctuation\">(<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">random<\/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\">\/\/ ... (any random numbers)<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\u0628\u0632\u0631\u06af\u200c\u062a\u0631\u06cc\u0646\/\u06a9\u0648\u0686\u06a9\u200c\u062a\u0631\u06cc\u0646 \u0631\u0627 \u0627\u0632 \u062a\u0639\u062f\u0627\u062f \u062f\u0644\u062e\u0648\u0627\u0647 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<div id=\"oh4jje5jk1\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert( Math.max(3, 5, -10, 0, 1) ); \/\/ 5\nalert<\/span><span class=\"token punctuation\">(<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">min<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f1<\/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\">\/\/ \u06f1<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p><strong>Math.pow(n, power)<\/strong><\/p>\n\n\n\n<p>n \u0631\u0627 \u0628\u0647 \u062a\u0648\u0627\u0646 \u062f\u0627\u062f\u0647\u200c\u0634\u062f\u0647 \u0645\u06cc\u200c\u0631\u0633\u0627\u0646\u062f<\/p>\n\n\n\n<dl>\n<dd>\n<div id=\"wf3l9kv8a0\" class=\"code-example\" data-trusted=\"1\" data-prism-highlighted=\"1\">\n<div class=\"codebox code-example__codebox\">\n<div class=\"codebox__code\" data-code=\"1\">\n<pre class=\"line-numbers language-javascript\"><code class=\" language-javascript\"><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">pow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">\u06f2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">\u06f1\u06f0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u06f2 in power 10 = 1024<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/dd>\n<\/dl>\n\n\n\n<p>\u062a\u0648\u0627\u0628\u0639 \u0648 \u062b\u0627\u0628\u062a\u200c\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0631 \u0634\u06cc\u200c\u0621 Math \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u062d\u062b \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u0647\u0645\u0647 \u0622\u0646\u200c\u0647\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0646\u06cc\u0633\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/h2>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u067e\u0633\u062a \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0632 \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0645\u0627 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648 \u0634\u06cc\u0648\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0646\u0645\u0627\u06cc\u0634 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0628\u0627\u0647\u0645 \u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u067e\u0631\u062f\u0627\u062e\u062a\u06cc\u0645. \u0627\u0639\u062f\u0627\u062f \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u0648\u0639\u06cc \u062f\u0627\u062f\u0647 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0627\u0632 \u0627\u0647\u0645\u06cc\u062a \u0628\u0633\u06cc\u0627\u0631 \u0628\u0627\u0644\u0627\u06cc\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0647\u0633\u062a\u0646\u062f \u0648 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0647\u0645\u0647 \u062c\u0646\u0628\u0647\u200c\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0645\u062e\u062a\u0644\u0641 \u0622\u06af\u0627\u0647 \u0628\u0627\u0634\u06cc\u0645.<\/p>\n\n\n\n<p>\u0645\u0646\u0627\u0628\u0639 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634:<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/javascript.info\/number\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.w3schools.com\/js\/js_number_methods.asp\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u062c\u062f\u06cc\u062f\u060c \u062f\u0648 \u0646\u0648\u0639 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u062f: \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u0628\u0627\u06cc\u062f \u06f1 \u0645\u06cc\u0644\u06cc\u0627\u0631\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645. \u0633\u0627\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 Number \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a: let billion = \u06f1\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0\u06f0; \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646\u062f\u0631\u0644\u0627\u06cc\u0646_ \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0627\u0631\u0642\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645: let billion = 1_000_000_000; \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0622\u0646\u062f\u0631\u0644\u0627\u06cc\u0646 \u0646\u0642\u0634 [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":30153,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,12],"tags":[],"class_list":["post-30149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-and-it-training","category-java-script-articles"],"_links":{"self":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/30149","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=30149"}],"version-history":[{"count":5,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/30149\/revisions"}],"predecessor-version":[{"id":66153,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/30149\/revisions\/66153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media\/30153"}],"wp:attachment":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media?parent=30149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/categories?post=30149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/tags?post=30149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}