{"id":6162,"date":"2026-02-05T10:46:40","date_gmt":"2026-02-05T07:16:40","guid":{"rendered":"https:\/\/parmin.cloud\/blog\/?p=6162"},"modified":"2026-02-05T16:45:24","modified_gmt":"2026-02-05T13:15:24","slug":"%da%86%d9%87%d8%a7%d8%b1-%d9%85%d8%aa%d8%af-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%db%8c-%d8%a8%d8%b1%d8%a7%db%8c-%d8%ac%d8%b3%d8%aa%d8%ac%d9%88%db%8c-%d8%af%d8%a7%d8%af%d9%87-%d8%af%d8%b1-%d8%a2%d8%b1","status":"publish","type":"post","link":"https:\/\/parmin.cloud\/blog\/%da%86%d9%87%d8%a7%d8%b1-%d9%85%d8%aa%d8%af-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%db%8c-%d8%a8%d8%b1%d8%a7%db%8c-%d8%ac%d8%b3%d8%aa%d8%ac%d9%88%db%8c-%d8%af%d8%a7%d8%af%d9%87-%d8%af%d8%b1-%d8%a2%d8%b1\/","title":{"rendered":"\u0686\u0647\u0627\u0631 \u0645\u062a\u062f \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0628\u0631\u0627\u06cc \u062c\u0633\u062a\u062c\u0648\u06cc \u062f\u0627\u062f\u0647 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc JavaScript"},"content":{"rendered":"<p data-start=\"193\" data-end=\"416\">\u062f\u0631 JavaScript\u060c \u0627\u063a\u0644\u0628 \u0628\u0627 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 <strong data-start=\"244\" data-end=\"265\">\u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 (Arrays)<\/strong> \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<br data-start=\"280\" data-end=\"283\" \/>\u06cc\u06a9\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c\u060c <strong data-start=\"303\" data-end=\"319\">\u062c\u0633\u062a\u062c\u0648\u06cc \u0622\u0631\u0627\u06cc\u0647<\/strong> \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<br data-start=\"382\" data-end=\"385\" \/>\u0628\u0633\u062a\u0647 \u0628\u0647 \u0646\u06cc\u0627\u0632\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062e\u0648\u0627\u0647\u06cc\u062f:<\/p>\n<ul data-start=\"418\" data-end=\"593\">\n<li data-start=\"418\" data-end=\"479\">\n<p data-start=\"420\" data-end=\"479\">\u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc (true\/false) \u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0648\u062c\u0648\u062f \u0622\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f<\/p>\n<\/li>\n<li data-start=\"480\" data-end=\"536\">\n<p data-start=\"482\" data-end=\"536\"><strong data-start=\"482\" data-end=\"499\">\u0627\u0646\u062f\u06cc\u0633 (Index)<\/strong> \u0645\u0648\u0642\u0639\u06cc\u062a \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f<\/p>\n<\/li>\n<li data-start=\"537\" data-end=\"593\">\n<p data-start=\"539\" data-end=\"593\">\u06cc\u0627 \u06cc\u06a9 <strong data-start=\"545\" data-end=\"559\">\u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f<\/strong> \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u0646\u062a\u0627\u06cc\u062c \u062c\u0633\u062a\u062c\u0648 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"595\" data-end=\"780\">\u0642\u0628\u0644 \u0627\u0632 ECMAScript 6\u060c \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0627\u0632 \u062d\u0644\u0642\u0647\u200c\u06cc <code data-start=\"634\" data-end=\"639\">for<\/code> \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0631\u0648\u06cc \u062a\u0645\u0627\u0645 \u0622\u06cc\u062a\u0645\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0631\u062f\u06cc\u062f.<br data-start=\"685\" data-end=\"688\" \/>\u0627\u0645\u0631\u0648\u0632\u0647 \u0686\u0646\u062f\u06cc\u0646 \u0645\u062a\u062f \u062f\u0627\u062e\u0644\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0646\u06cc\u0627\u0632\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0633\u0627\u062f\u0647 \u0648 \u062e\u0648\u0627\u0646\u0627 \u062d\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<p data-start=\"782\" data-end=\"877\">\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u0627 <strong data-start=\"799\" data-end=\"863\">Array.includes()\u060c Array.indexOf\u060c Array.find() \u0648 Array.filter<\/strong> \u0622\u0634\u0646\u0627 \u0645\u06cc\u200c\u0634\u0648\u06cc\u062f.<\/p>\n<hr data-start=\"879\" data-end=\"882\" \/>\n<h3 data-start=\"884\" data-end=\"898\">\u067e\u06cc\u0634\u200c\u0646\u06cc\u0627\u0632\u0647\u0627<\/h3>\n<p data-start=\"900\" data-end=\"936\">\u0628\u0631\u0627\u06cc \u062f\u0646\u0628\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u0647\u062a\u0631 \u0627\u0633\u062a:<\/p>\n<ul data-start=\"938\" data-end=\"988\">\n<li data-start=\"938\" data-end=\"988\">\n<p data-start=\"940\" data-end=\"988\">\u0628\u0627 <strong data-start=\"943\" data-end=\"969\">\u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u062f\u0631 JavaScript<\/strong> \u0622\u0634\u0646\u0627\u06cc\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"990\" data-end=\"993\" \/>\n<h2 data-start=\"995\" data-end=\"1019\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 includes()<\/h2>\n<p data-start=\"1021\" data-end=\"1128\">\u0645\u062a\u062f <strong data-start=\"1025\" data-end=\"1041\"><code data-start=\"1027\" data-end=\"1039\">includes()<\/code><\/strong> \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u0646\u0647 \u0648 <strong data-start=\"1098\" data-end=\"1115\">true \u06cc\u0627 false<\/strong> \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<h3 data-start=\"1130\" data-end=\"1141\">\u0633\u06cc\u0646\u062a\u06a9\u0633:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\">arr.<span class=\"hljs-title function_\">includes<\/span>(valueToFind[, fromIndex]);<br \/>\n<\/code><\/div>\n<\/div>\n<ul data-start=\"1194\" data-end=\"1311\">\n<li data-start=\"1194\" data-end=\"1243\">\n<p data-start=\"1196\" data-end=\"1243\"><code data-start=\"1196\" data-end=\"1209\">valueToFind<\/code>: \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f<\/p>\n<\/li>\n<li data-start=\"1244\" data-end=\"1311\">\n<p data-start=\"1246\" data-end=\"1311\"><code data-start=\"1246\" data-end=\"1257\">fromIndex<\/code> (\u0627\u062e\u062a\u06cc\u0627\u0631\u06cc): \u0627\u0646\u062f\u06cc\u0633\u06cc \u06a9\u0647 \u062c\u0633\u062a\u062c\u0648 \u0627\u0632 \u0622\u0646 \u0634\u0631\u0648\u0639 \u0634\u0648\u062f (\u067e\u06cc\u0634\u200c\u0641\u0631\u0636 0)<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1313\" data-end=\"1322\">\u0645\u062b\u0627\u0644:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\">\n<p><code class=\"whitespace-pre! language-js\"><span class=\"hljs-keyword\">const<\/span> alligatorFacts = [<span class=\"hljs-string\">\"thick scales\"<\/span>, <span class=\"hljs-number\">80<\/span>, <span class=\"hljs-string\">\"4 foot tail\"<\/span>, <span class=\"hljs-string\">\"rounded snout\"<\/span>, <span class=\"hljs-number\">80<\/span>];<\/code><\/p>\n<p>alligatorFacts.<span class=\"hljs-title function_\">includes<\/span>(<span class=\"hljs-string\">&#8220;thick scales&#8221;<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ true<\/span><\/p>\n<p>alligatorFacts.<span class=\"hljs-title function_\">includes<\/span>(<span class=\"hljs-string\">&#8220;thick scales&#8221;<\/span>, <span class=\"hljs-number\">1<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ false<\/span><\/p>\n<\/div>\n<\/div>\n<blockquote data-start=\"1520\" data-end=\"1600\">\n<p data-start=\"1522\" data-end=\"1600\">\u0646\u06a9\u062a\u0647: includes() \u0627\u0632 <strong data-start=\"1542\" data-end=\"1584\">\u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u06cc \u0633\u062e\u062a\u06af\u06cc\u0631\u0627\u0646\u0647 (strict comparison)<\/strong> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n<\/blockquote>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\">alligatorFacts.<span class=\"hljs-title function_\">includes<\/span>(<span class=\"hljs-number\">80<\/span>);    <span class=\"hljs-comment\">\/\/ true<\/span><br \/>\nalligatorFacts.<span class=\"hljs-title function_\">includes<\/span>(<span class=\"hljs-string\">'80'<\/span>);  <span class=\"hljs-comment\">\/\/ false<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<ul data-start=\"1694\" data-end=\"1770\">\n<li data-start=\"1694\" data-end=\"1770\">\n<p data-start=\"1696\" data-end=\"1770\"><strong data-start=\"1696\" data-end=\"1707\">\u06a9\u0627\u0631\u0628\u0631\u062f:<\/strong> \u0648\u0642\u062a\u06cc \u0641\u0642\u0637 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 <strong data-start=\"1750\" data-end=\"1769\">\u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u0646\u0647<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1772\" data-end=\"1775\" \/>\n<h2 data-start=\"1777\" data-end=\"1800\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 indexOf()<\/h2>\n<p data-start=\"1802\" data-end=\"1916\">\u0645\u062a\u062f <strong data-start=\"1806\" data-end=\"1821\"><code data-start=\"1808\" data-end=\"1819\">indexOf()<\/code><\/strong> <strong data-start=\"1822\" data-end=\"1846\">\u0627\u0648\u0644\u06cc\u0646 \u0627\u0646\u062f\u06cc\u0633 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631<\/strong> \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<br data-start=\"1871\" data-end=\"1874\" \/>\u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631\u06cc \u06cc\u0627\u0641\u062a \u0646\u0634\u062f\u060c <strong data-start=\"1895\" data-end=\"1901\">-1<\/strong> \u0628\u0627\u0632 \u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<h3 data-start=\"1918\" data-end=\"1929\">\u0633\u06cc\u0646\u062a\u06a9\u0633:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\">arr.<span class=\"hljs-title function_\">indexOf<\/span>(searchElement[, fromIndex]);<br \/>\n<\/code><\/div>\n<\/div>\n<h3 data-start=\"1983\" data-end=\"1992\">\u0645\u062b\u0627\u0644:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\"><code class=\"whitespace-pre! language-js\">alligatorFacts.<span class=\"hljs-title function_\">indexOf<\/span>(<span class=\"hljs-string\">\"rounded snout\"<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ 3<\/span><\/code><\/code>alligatorFacts.<span class=\"hljs-title function_\">indexOf<\/span>(<span class=\"hljs-string\">&#8220;soft and fluffy&#8221;<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ -1<\/span><code class=\"whitespace-pre! language-js\"><code class=\"whitespace-pre! language-js\"><\/code><\/code>alligatorFacts.<span class=\"hljs-title function_\">indexOf<\/span>(<span class=\"hljs-number\">80<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ 1<\/span><\/p>\n<p><code class=\"whitespace-pre! language-js\"><code class=\"whitespace-pre! language-js\"><\/code><\/code>alligatorFacts.<span class=\"hljs-title function_\">indexOf<\/span>(<span class=\"hljs-number\">80<\/span>, <span class=\"hljs-number\">2<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ -1<\/span><\/p>\n<\/div>\n<\/div>\n<blockquote data-start=\"2173\" data-end=\"2251\">\n<p data-start=\"2175\" data-end=\"2251\">\u0646\u06a9\u062a\u0647: \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 <strong data-start=\"2192\" data-end=\"2207\">\u0622\u062e\u0631\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631<\/strong>\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 <code data-start=\"2222\" data-end=\"2237\">lastIndexOf()<\/code> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/blockquote>\n<ul data-start=\"2253\" data-end=\"2320\">\n<li data-start=\"2253\" data-end=\"2320\">\n<p data-start=\"2255\" data-end=\"2320\"><strong data-start=\"2255\" data-end=\"2266\">\u06a9\u0627\u0631\u0628\u0631\u062f:<\/strong> \u0648\u0642\u062a\u06cc \u0641\u0642\u0637 \u0628\u0647 <strong data-start=\"2279\" data-end=\"2308\">\u0627\u0646\u062f\u06cc\u0633 \u0627\u0648\u0644\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647\u200c\u06cc \u062c\u0633\u062a\u062c\u0648<\/strong> \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2322\" data-end=\"2325\" \/>\n<h2 data-start=\"2327\" data-end=\"2347\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 find()<\/h2>\n<p data-start=\"2349\" data-end=\"2489\">\u0645\u062a\u062f <strong data-start=\"2353\" data-end=\"2365\"><code data-start=\"2355\" data-end=\"2363\">find()<\/code><\/strong> <strong data-start=\"2366\" data-end=\"2382\">\u0627\u0648\u0644\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631\u06cc<\/strong> \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u06a9\u0647 \u0628\u0627 \u0634\u0631\u0637 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f\u060c \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<br data-start=\"2438\" data-end=\"2441\" \/>\u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631\u06cc \u06cc\u0627\u0641\u062a \u0646\u0634\u0648\u062f\u060c <code data-start=\"2463\" data-end=\"2474\">undefined<\/code> \u0628\u0627\u0632 \u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<h3 data-start=\"2491\" data-end=\"2502\">\u0633\u06cc\u0646\u062a\u06a9\u0633:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\">arr.<span class=\"hljs-title function_\">find<\/span>(<span class=\"hljs-title function_\">callback<\/span>(element[, index[, array]])[, thisArg])<br \/>\n<\/code><\/div>\n<\/div>\n<h3 data-start=\"2572\" data-end=\"2581\">\u0645\u062b\u0627\u0644:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\">\n<p><code class=\"whitespace-pre! language-js\"><span class=\"hljs-keyword\">const<\/span> alligatorFacts = [<span class=\"hljs-string\">\"thick scales\"<\/span>, <span class=\"hljs-number\">80<\/span>, <span class=\"hljs-string\">\"4 foot tail\"<\/span>, <span class=\"hljs-string\">\"rounded snout\"<\/span>];<\/code><\/p>\n<p>alligatorFacts.<span class=\"hljs-title function_\">find<\/span>(<span class=\"hljs-function\"><span class=\"hljs-params\">el<\/span><\/span> =&gt; el.<span class=\"hljs-property\">length<\/span> &lt; <span class=\"hljs-number\">13<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ &#8220;thick scales&#8221;<\/span><\/p>\n<\/div>\n<\/div>\n<ul data-start=\"2733\" data-end=\"2798\">\n<li data-start=\"2733\" data-end=\"2798\">\n<p data-start=\"2735\" data-end=\"2798\">\u0645\u062a\u062f <code data-start=\"2739\" data-end=\"2747\">find()<\/code> \u0641\u0642\u0637 <strong data-start=\"2752\" data-end=\"2780\">\u0627\u0648\u0644\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u0634\u0631\u0637<\/strong> \u0631\u0627 \u0628\u0627\u0632 \u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2800\" data-end=\"2818\">\u0645\u062b\u0627\u0644 \u0628\u0627 \u0627\u0646\u062f\u06cc\u0633:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\">alligatorFacts.<span class=\"hljs-title function_\">find<\/span>(<span class=\"hljs-function\">(<span class=\"hljs-params\">el, idx<\/span><\/span>) =&gt; <span class=\"hljs-keyword\">typeof<\/span> el === <span class=\"hljs-string\">\"string\"<\/span> &amp;&amp; idx === <span class=\"hljs-number\">2<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ \"4 foot tail\"<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<blockquote data-start=\"2919\" data-end=\"3002\">\n<p data-start=\"2921\" data-end=\"3002\">\u0646\u06a9\u062a\u0647: \u0628\u0631\u0627\u06cc \u06af\u0631\u0641\u062a\u0646 <strong data-start=\"2938\" data-end=\"2960\">\u0627\u0646\u062f\u06cc\u0633 \u0628\u0647 \u062c\u0627\u06cc \u0645\u0642\u062f\u0627\u0631<\/strong>\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 <code data-start=\"2975\" data-end=\"2988\">findIndex()<\/code> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/blockquote>\n<ul data-start=\"3004\" data-end=\"3071\">\n<li data-start=\"3004\" data-end=\"3071\">\n<p data-start=\"3006\" data-end=\"3071\"><strong data-start=\"3006\" data-end=\"3017\">\u06a9\u0627\u0631\u0628\u0631\u062f:<\/strong> \u0648\u0642\u062a\u06cc \u0641\u0642\u0637 \u0628\u0647 <strong data-start=\"3030\" data-end=\"3059\">\u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062e\u0627\u0635 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u0634\u0631\u0637<\/strong> \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3073\" data-end=\"3076\" \/>\n<h2 data-start=\"3078\" data-end=\"3100\">\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 filter()<\/h2>\n<p data-start=\"3102\" data-end=\"3256\">\u0645\u062a\u062f <strong data-start=\"3106\" data-end=\"3120\"><code data-start=\"3108\" data-end=\"3118\">filter()<\/code><\/strong> <strong data-start=\"3121\" data-end=\"3138\">\u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f<\/strong> \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0628\u0627 \u0634\u0631\u0637 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f\u060c \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<br data-start=\"3201\" data-end=\"3204\" \/>\u0627\u06af\u0631 \u0647\u06cc\u0686 \u0645\u0642\u062f\u0627\u0631\u06cc \u067e\u06cc\u062f\u0627 \u0646\u0634\u062f\u060c \u0622\u0631\u0627\u06cc\u0647\u200c\u06cc \u062e\u0627\u0644\u06cc \u0628\u0627\u0632 \u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<h3 data-start=\"3258\" data-end=\"3269\">\u0633\u06cc\u0646\u062a\u06a9\u0633:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\"><span class=\"hljs-keyword\">let<\/span> newArray = arr.<span class=\"hljs-title function_\">filter<\/span>(<span class=\"hljs-title function_\">callback<\/span>(<span class=\"hljs-params\">currentValue[, index[, array]]<\/span>) {<br \/>\n<span class=\"hljs-comment\">\/\/ \u0627\u06af\u0631 true \u0634\u0648\u062f\u060c \u0639\u0646\u0635\u0631 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f<\/span><br \/>\n}[, thisArg]);<br \/>\n<\/code><\/div>\n<\/div>\n<h3 data-start=\"3417\" data-end=\"3426\">\u0645\u062b\u0627\u0644:<\/h3>\n<div class=\"contain-inline-size rounded-2xl corner-superellipse\/1.1 relative bg-token-sidebar-surface-primary\">\n<div class=\"sticky top-[calc(var(--sticky-padding-top)+9*var(--spacing))]\">\n<div class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\">\n<div class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"whitespace-pre! language-js\">alligatorFacts.<span class=\"hljs-title function_\">filter<\/span>(<span class=\"hljs-function\"><span class=\"hljs-params\">el<\/span><\/span> =&gt; el === <span class=\"hljs-number\">80<\/span>);<br \/>\n<span class=\"hljs-comment\">\/\/ [80, 80]<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<ul data-start=\"3491\" data-end=\"3565\">\n<li data-start=\"3491\" data-end=\"3565\">\n<p data-start=\"3493\" data-end=\"3565\"><strong data-start=\"3493\" data-end=\"3504\">\u06a9\u0627\u0631\u0628\u0631\u062f:<\/strong> \u0648\u0642\u062a\u06cc \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f <strong data-start=\"3520\" data-end=\"3548\">\u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0645\u0637\u0627\u0628\u0642 \u0628\u0627 \u0634\u0631\u0637<\/strong> \u0631\u0627 \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u062f.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3567\" data-end=\"3570\" \/>\n<h2 data-start=\"3572\" data-end=\"3583\">\u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc<\/h2>\n<ul data-start=\"3585\" data-end=\"3838\">\n<li data-start=\"3585\" data-end=\"3651\">\n<p data-start=\"3587\" data-end=\"3651\">\u0641\u0642\u0637 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u062f\u0627\u0646\u06cc\u062f <strong data-start=\"3608\" data-end=\"3634\">\u0645\u0642\u062f\u0627\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u0646\u0647\u061f<\/strong> \u2192 <code data-start=\"3637\" data-end=\"3649\">includes()<\/code><\/p>\n<\/li>\n<li data-start=\"3652\" data-end=\"3739\">\n<p data-start=\"3654\" data-end=\"3739\">\u0641\u0642\u0637 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f <strong data-start=\"3668\" data-end=\"3687\">\u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u06af\u06cc\u0631\u06cc\u062f<\/strong> \u2192 <code data-start=\"3690\" data-end=\"3698\">find()<\/code> \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u0648\u0631\u062f\u060c <code data-start=\"3713\" data-end=\"3723\">filter()<\/code> \u0628\u0631\u0627\u06cc \u0686\u0646\u062f \u0645\u0648\u0631\u062f<\/p>\n<\/li>\n<li data-start=\"3740\" data-end=\"3838\">\n<p data-start=\"3742\" data-end=\"3838\">\u0641\u0642\u0637 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f <strong data-start=\"3756\" data-end=\"3771\">\u0627\u0646\u062f\u06cc\u0633 \u0645\u0642\u062f\u0627\u0631<\/strong> \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f \u2192 <code data-start=\"3787\" data-end=\"3798\">indexOf()<\/code> \u0628\u0631\u0627\u06cc primitive\u060c <code data-start=\"3815\" data-end=\"3828\">findIndex()<\/code> \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0639<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3840\" data-end=\"3961\">\u0627\u0632 \u0647\u0645\u0631\u0627\u0647\u06cc \u0634\u0645\u0627 \u0628\u0627 <strong><a href=\"https:\/\/parmin.cloud\/\">\u067e\u0627\u0631\u0645\u06cc\u0646 \u06a9\u0644\u0648\u062f<\/a><\/strong> \u0645\u062a\u0634\u06a9\u0631\u06cc\u0645.<\/p>\n<div style='text-align:center' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631 JavaScript\u060c \u0627\u063a\u0644\u0628 \u0628\u0627 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 (Arrays) \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647\u200c\u0627\u0646\u062f.\u06cc\u06a9\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c\u060c \u062c\u0633\u062a\u062c\u0648\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.\u0628\u0633\u062a\u0647 \u0628\u0647 \u0646\u06cc\u0627\u0632\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062e\u0648\u0627\u0647\u06cc\u062f: \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc (true\/false) \u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0648\u062c\u0648\u062f \u0622\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f \u0627\u0646\u062f\u06cc\u0633 (Index) \u0645\u0648\u0642\u0639\u06cc\u062a \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f \u06cc\u0627 \u06cc\u06a9 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":6163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"categories":[67,190],"tags":[872,871,869,870,860,874,865,873],"class_list":["post-6162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-67","category-programming","tag-filter","tag-find","tag-includes","tag-indexof","tag-javascript","tag---javascript","tag--javascript","tag---array-search"],"aioseo_notices":[],"yasr_visitor_votes":{"stars_attributes":{"read_only":false,"span_bottom":false},"number_of_votes":0,"sum_votes":0},"_links":{"self":[{"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/posts\/6162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/comments?post=6162"}],"version-history":[{"count":3,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/posts\/6162\/revisions"}],"predecessor-version":[{"id":6170,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/posts\/6162\/revisions\/6170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/media\/6163"}],"wp:attachment":[{"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/media?parent=6162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/categories?post=6162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/parmin.cloud\/blog\/wp-json\/wp\/v2\/tags?post=6162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}