{"id":15591,"date":"2024-01-14T09:23:08","date_gmt":"2024-01-14T05:53:08","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/"},"modified":"2024-01-14T09:23:08","modified_gmt":"2024-01-14T05:53:08","slug":"%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/","title":{"rendered":"\u0631\u0648\u0634 \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 JavaScriptData \u0627\u0634\u06a9\u0627\u0644 \u0645\u062e\u062a\u0644\u0641\u06cc \u062f\u0627\u0631\u062f &#8211; \u0648 \u0644\u06cc\u0633\u062a \u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0631\u0627\u06cc\u062c \u0647\u0633\u062a\u0646\u062f.  \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a \u0648 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0622\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.  \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0622\u0646 \u0648\u0638\u06cc\u0641\u0647\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0634\u062a\u0647 \u062f\u0631 \u0622\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u0628\u0633\u06cc\u0627\u0631 &#8230;"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/#arrayprototypejoin\" >Array.prototype.join()<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/#stringconcat\" >String.concat()<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/#%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1\" >\u0627\u067e\u0631\u0627\u062a\u0648\u0631 +<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/#%d9%85%d8%b9%db%8c%d8%a7%d8%b1_%d8%b9%d9%85%d9%84%da%a9%d8%b1%d8%af\" >\u0645\u0639\u06cc\u0627\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%d8%a8%d9%87-%d9%87%d9%85-%d9%be%db%8c%d9%88%d8%b3%d8%aa%d9%86-%d8%b1%d8%b4%d8%aa%d9%87-%d9%87%d8%a7-%d8%af%d8%b1-%db%8c%da%a9-%d8%a2%d8%b1%d8%a7%db%8c%d9%87-%d8%af%d8%b1-javascript\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div class=\"content\"><noscript><\/p>\n<style>.lazyload-placeholder { display: none;  }<\/style>\n<p><\/noscript><\/p>\n<p>\u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0634\u06a9\u0627\u0644 \u0645\u062e\u062a\u0644\u0641\u06cc \u062f\u0627\u0631\u0646\u062f &#8211; \u0648 \u0644\u06cc\u0633\u062a \u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0631\u0627\u06cc\u062c \u0647\u0633\u062a\u0646\u062f.  \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a \u0648 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0622\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n<p>\u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u06cc\u06a9 <em>\u0622\u0631\u0627\u06cc\u0647<\/em> \u0628\u0631 \u0627\u0633\u0627\u0633 \u0622\u0646 \u0648\u0638\u06cc\u0641\u0647\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0634\u062a\u0647 \u062f\u0631 \u0622\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0631\u0648\u0634 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u062f\u06cc\u06af\u0631\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 &#8211; \u0631\u0648\u0634 <code>join()<\/code> \u0631\u0648\u0634\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0627 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f process \u0628\u062f\u0648\u0646 \u062f\u0631\u062f \u0648 \u0628\u062f\u0648\u0646 \u062f\u0631\u062f\u0633\u0631<\/p>\n<blockquote>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0631\u0648\u0634 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u062a\u0645\u0627\u0645 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a \u0648 \u0633\u067e\u0633 \u0639\u0645\u0644\u06a9\u0631\u062f \u0647\u0645\u0647 \u0631\u0648\u0634\u200c\u0647\u0627 \u0631\u0627 \u0645\u062d\u06a9 \u0645\u06cc\u200c\u0632\u0646\u06cc\u0645.<\/p>\n<\/blockquote>\n<h2 id=\"arrayprototypejoin\"><span class=\"ez-toc-section\" id=\"arrayprototypejoin\"><\/span>Array.prototype.join()<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0633\u0627\u062f\u0647 \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0627\u0644\u062d\u0627\u0642 \u0647\u0645\u0647 \u0639\u0646\u0627\u0635\u0631 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a <code>join()<\/code> \u0631\u0648\u0634 \u0627\u0632 <code>Array<\/code> \u06a9\u0644\u0627\u0633  \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0627 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0645\u062a\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f &#8211; \u0631\u0648\u06cc \u06a9\u0627\u0645\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc \u0634\u0648\u062f (<code>,<\/code>):<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> platonicSolids = (<span class=\"hljs-string\">'Tetrahedron'<\/span>, <span class=\"hljs-string\">'Cube'<\/span>, <span class=\"hljs-string\">'Octahedron'<\/span>, <span class=\"hljs-string\">'Dodecahedron'<\/span>, <span class=\"hljs-string\">'Icosahedron'<\/span>);\n\n<span class=\"hljs-keyword\">let<\/span> joinedWithDefaultDelimiter = platonicSolids.join();\n<span class=\"hljs-keyword\">let<\/span> joinedWithDelimiter = platonicSolids.join(<span class=\"hljs-string\">''<\/span>);\n<span class=\"hljs-keyword\">let<\/span> joinedWithUnderscore = platonicSolids.join(<span class=\"hljs-string\">'_'<\/span>);\n    \n<span class=\"hljs-built_in\">console<\/span>.log(joinedWithDefaultDelimiter);\n<span class=\"hljs-built_in\">console<\/span>.log(joinedWithDelimiter);\n<span class=\"hljs-built_in\">console<\/span>.log(joinedWithUnderscore);\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">Tetrahedron,Cube,Octahedron,Dodecahedron,Icosahedron\nTetrahedronCubeOctahedronDodecahedronIcosahedron\nTetrahedron_Cube_Octahedron_Dodecahedron_Icosahedron\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0633\u062a <em>\u0639\u0627\u0644\u06cc<\/em> \u0631\u0648\u0634 \u0627\u06cc\u062c\u0627\u062f \u0648\u0631\u0648\u062f\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627 \u0628\u0631\u0627\u06cc \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc CSV &#8211; \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0634\u06cc \u0633\u0627\u062f\u0647 \u0628\u0627 \u0686\u0646\u062f \u0641\u06cc\u0644\u062f \u0648 <code>join()<\/code> \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0641\u0631\u0645\u062a CSV \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> book = {<span class=\"hljs-attr\">genre<\/span>:<span class=\"hljs-string\">\"Popular Science\"<\/span>, <span class=\"hljs-attr\">name<\/span>:<span class=\"hljs-string\">\"Our Mathematical Universe\"<\/span>, <span class=\"hljs-attr\">author<\/span>:<span class=\"hljs-string\">\"Max Tegmark\"<\/span>};\n\n<span class=\"hljs-keyword\">let<\/span> csvString = <span class=\"hljs-built_in\">Object<\/span>.keys(book).map(<span class=\"hljs-function\"><span class=\"hljs-params\">field<\/span> =&gt;<\/span> book(field)).join();\n\n<span class=\"hljs-built_in\">console<\/span>.log(csvString);\n<\/code><\/pre>\n<p>\u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0645\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0634\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0641\u0631\u0645\u062a CSV \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u06cc\u0644\u062f \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">Popular Science,Our Mathematical Universe,Max Tegmark\n<\/code><\/pre>\n<h2 id=\"stringconcat\"><span class=\"ez-toc-section\" id=\"stringconcat\"><\/span>String.concat()<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 <code>concat()<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f \u0633\u0627\u062f\u0647 \u0627\u0633\u062a &#8211; \u062f\u0648 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc \u0627\u0632 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0622\u0646 \u0631\u0627 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u0645 \u0648 <code>concat()<\/code> \u0647\u0631 \u0648\u0631\u0648\u062f\u06cc \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062e\u0627\u0644\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> platonicSolids = (<span class=\"hljs-string\">'Tetrahedron'<\/span>, <span class=\"hljs-string\">'Cube'<\/span>, <span class=\"hljs-string\">'Octahedron'<\/span>, <span class=\"hljs-string\">'Dodecahedron'<\/span>, <span class=\"hljs-string\">'Icosahedron'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n\n<span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; platonicSolids.length; i++) {\n    result = result.concat(platonicSolids(i));\n}\n\n<span class=\"hljs-built_in\">console<\/span>.log(result);\n<\/code><\/pre>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0627\u067e\u0630\u06cc\u0631 \u0647\u0633\u062a\u0646\u062f \u0648 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0646\u062a\u06cc\u062c\u0647 \u0631\u0627 \u0646\u0633\u0628\u062a \u062f\u0647\u06cc\u0645 <code>concat()<\/code> \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0645\u0631\u062c\u0639<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">TetrahedronCubeOctahedronDodecahedronIcosahedron\n<\/code><\/pre>\n<p>\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0647\u0631 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u06cc\u0632 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0628\u0627 \u0627\u0644\u062d\u0627\u0642 \u0622\u0646 \u062f\u0631 \u062d\u0644\u0642\u0647 \u0628\u0627 \u0628\u0631\u0631\u0633\u06cc \u0622\u062e\u0631\u06cc\u0646 \u0639\u0646\u0635\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> platonicSolids = (<span class=\"hljs-string\">'Tetrahedron'<\/span>, <span class=\"hljs-string\">'Cube'<\/span>, <span class=\"hljs-string\">'Octahedron'<\/span>, <span class=\"hljs-string\">'Dodecahedron'<\/span>, <span class=\"hljs-string\">'Icosahedron'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n\n<span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; platonicSolids.length; i++) {\n    result = result.concat(platonicSolids(i));\n    <span class=\"hljs-keyword\">if<\/span> (i &lt; platonicSolids.length - <span class=\"hljs-number\">1<\/span>) {\n        result = result.concat(<span class=\"hljs-string\">\",\"<\/span>);\n    }\n}\n\n<span class=\"hljs-built_in\">console<\/span>.log(result);\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">Tetrahedron,Cube,Octahedron,Dodecahedron,Icosahedron\n<\/code><\/pre>\n<h2 id=\"theoperator\"><span class=\"ez-toc-section\" id=\"%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1\"><\/span>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 +<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0637\u0628\u06cc\u0639\u062a\u0627 \u0627\u06af\u0631 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f <code>concat()<\/code> \u0631\u0634\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u06a9\u0646\u06cc\u062f\u060c \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0636\u0645\u06cc\u0645\u0647 \u06a9\u0646\u06cc\u062f <code>+<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> platonicSolids = (<span class=\"hljs-string\">'Tetrahedron'<\/span>, <span class=\"hljs-string\">'Cube'<\/span>, <span class=\"hljs-string\">'Octahedron'<\/span>, <span class=\"hljs-string\">'Dodecahedron'<\/span>, <span class=\"hljs-string\">'Icosahedron'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n\n<span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; platonicSolids.length; i++) {\n    result = result + platonicSolids(i);\n}\n\n<span class=\"hljs-built_in\">console<\/span>.log(result);\n<\/code><\/pre>\n<p>\u06cc\u0627 \u062d\u062a\u06cc \u0628\u0647\u062a\u0631 \u0627\u0632 \u0622\u0646 &#8211; \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06a9\u0648\u062a\u0627\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>+=<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u062f\u0631 \u0639\u0648\u0636:<\/p>\n<pre><code class=\"hljs\">result += platonicSolids(i);\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u06cc\u0632 \u0645\u0646\u062c\u0631 \u0628\u0647:<\/p>\n<pre><code class=\"hljs\">TetrahedronCubeOctahedronDodecahedronIcosahedron\n<\/code><\/pre>\n<h2 id=\"performancebenchmark\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%db%8c%d8%a7%d8%b1_%d8%b9%d9%85%d9%84%da%a9%d8%b1%d8%af\"><\/span>\u0645\u0639\u06cc\u0627\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u06a9\u062f\u0627\u0645 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0628\u0647\u062a\u0631\u06cc\u0646 \u0627\u0633\u062a <em>\u0627\u0632 \u0646\u0638\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f<\/em>?  \u0627\u06cc\u0646 <code>join()<\/code> \u0645\u0637\u0645\u0626\u0646\u0627\u064b \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0633\u0627\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0633\u062a \u0648 \u062a\u0645\u06cc\u0632\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0631\u0633\u062f\u060c \u0627\u0645\u0627 \u0622\u06cc\u0627 \u0628\u0631\u0627\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u0628\u0632\u0631\u06af\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0633\u062a\u061f<\/p>\n<blockquote>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f\u0647 \u0648 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u062d\u06a9 \u0628\u0632\u0646\u06cc\u0645.<\/p>\n<\/blockquote>\n<p>\u0627\u0628\u062a\u062f\u0627 \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u062f <em>\u0631\u0634\u062a\u0647 \u0647\u0627\u06cc \u062a\u0635\u0627\u062f\u0641\u06cc<\/em> \u0628\u0631\u0627\u06cc \u0645\u0627:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">generateStrings<\/span>(<span class=\"hljs-params\">num<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> array = ();\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; num; i++) {\n        array.push((<span class=\"hljs-built_in\">Math<\/span>.random() + <span class=\"hljs-number\">1<\/span>).toString(<span class=\"hljs-number\">36<\/span>).substring(<span class=\"hljs-number\">2<\/span>);\n        }\n        <span class=\"hljs-keyword\">return<\/span> array;\n    }\n}\n<\/code><\/pre>\n<p>\u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0639\u062f\u062f \u062a\u0635\u0627\u062f\u0641\u06cc \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0628\u0627 \u0631\u06cc\u0634\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f <code>36<\/code> \u0648 \u0639\u062f\u062f \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627\u06cc \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0627 <code>substring()<\/code>.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0631\u0634\u062a\u0647 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc\u06cc \u062f\u0627\u0631\u062f &#8211; \u0628\u0631\u0627\u06cc \u062d\u062f\u0627\u06a9\u062b\u0631 50000 \u0639\u0646\u0635\u0631 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0627\u0641\u06cc \u062e\u0648\u0628 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u062a\u0627 \u0622\u0646 \u0646\u0642\u0637\u0647 \u0646\u0633\u0628\u062a\u0627\u064b \u062a\u0635\u0627\u062f\u0641\u06cc \u062e\u0648\u0627\u0647\u0646\u062f \u0628\u0648\u062f.<\/p>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0628\u0647 \u062e\u0627\u0637\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0627\u0632 \u0646\u0638\u0631 \u0631\u0645\u0632\u0646\u06af\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0639\u062f\u0627\u062f \u062a\u0635\u0627\u062f\u0641\u06cc \u0627\u06cc\u0645\u0646 \u0646\u06cc\u0633\u062a \u0648 \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0627\u0647\u062f\u0627\u0641 \u062a\u0635\u0648\u06cc\u0631\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0631\u0627\u06cc \u062f\u0648\u0631 \u0632\u062f\u0646 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0630\u0627\u062a\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u06a9\u0647 \u062f\u0631 \u062d\u06cc\u0646 \u062a\u06a9\u0631\u0627\u0631 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0622\u0646 \u0645\u0648\u0627\u062c\u0647 \u0645\u06cc\u200c\u0634\u0648\u06cc\u0645\u060c \u062a\u0627 \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u0645 \u06a9\u0647 \u0645\u0639\u06cc\u0627\u0631 \u062f\u0642\u06cc\u0642 \u0627\u0633\u062a.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> stringArray = generateStrings(<span class=\"hljs-number\">5<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(stringArray)\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">( 'e8e3mbqczk', '2wqjp9hko', 'szazekngkv', 'xsxl2bvh3w', 'd4vadxk9ny' )\n<\/code><\/pre>\n<p>\u0639\u0627\u0644\u06cc!  \u0628\u06cc\u0627\u06cc\u06cc\u062f 25000 \u0631\u0634\u062a\u0647 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0627 \u0645\u062a\u062f\u0647\u0627\u06cc \u062e\u0648\u062f \u0628\u0647 \u0622\u0646\u0647\u0627 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> stringArray = generateStrings(<span class=\"hljs-number\">25000<\/span>);\n\n<span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with Operator'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> join1 = plusOperator(stringArray);\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with Operator'<\/span>);\n\n<span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with concat()'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> join2 = concat(stringArray);\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with concat()'<\/span>);\n\n<span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with join()'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> join3 = stringArray.join(<span class=\"hljs-string\">''<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with join()'<\/span>);\n\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">generateStrings<\/span>(<span class=\"hljs-params\">num<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> array = ();\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; num; i++) {\n        array.push((<span class=\"hljs-built_in\">Math<\/span>.random() + <span class=\"hljs-number\">1<\/span>).toString(<span class=\"hljs-number\">36<\/span>).substring(<span class=\"hljs-number\">2<\/span>));\n    }\n    <span class=\"hljs-keyword\">return<\/span> array;\n}\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">plusOperator<\/span>(<span class=\"hljs-params\">array<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; array.length; i++) {\n        result += array(i);\n    }\n    <span class=\"hljs-keyword\">return<\/span> result;\n}\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">concat<\/span>(<span class=\"hljs-params\">array<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; array.length; i++) {\n        result = result.concat(array(i));\n    }\n    <span class=\"hljs-keyword\">return<\/span> result;\n}\n<\/code><\/pre>\n<p>\u067e\u0633 \u0627\u0632 \u062a\u0648\u0644\u06cc\u062f \u0648 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0622\u0646\u0647\u0627 &#8211; \u0627\u06cc\u0646\u0647\u0627 \u0646\u062a\u0627\u06cc\u062c \u0647\u0633\u062a\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">Concatenating with Operator: 3.417ms\nConcatenating with concat(): 2.879ms\nConcatenating with join(): 8.930ms\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0628\u0627 <em>\u0628\u0632\u0631\u06af<\/em> \u062a\u0639\u062f\u0627\u062f \u062f\u0627\u062f\u0647 \u0647\u0627\u060c <code>join()<\/code> \u0627\u06cc\u0646 \u0631\u0648\u0634 \u062a\u0627 \u062d\u062f \u0632\u06cc\u0627\u062f\u06cc \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0647\u062a\u0631 \u0627\u0633\u062a <em>\u0630\u0627\u062a\u06cc<\/em> \u0645\u0646\u0637\u0642 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647  \u062d\u062a\u06cc \u0627\u06af\u0631 \u0646\u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0648\u0627\u0642\u0639\u0627\u064b \u06cc\u06a9 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f\u060c \u062f\u0631 \u0648\u0627\u0642\u0639 \u06cc\u06a9 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u062e\u0627\u0644\u06cc \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0632\u0645\u0627\u0646 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0645\u06cc \u0628\u0631\u062f \u0631\u0648\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af<\/p>\n<p>\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u0645\u062a\u062f\u0647\u0627\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u062e\u0648\u062f \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">plusOperator<\/span>(<span class=\"hljs-params\">array<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; array.length; i++) {\n        result += array(i);\n        <span class=\"hljs-keyword\">if<\/span> (i &lt; array.length - <span class=\"hljs-number\">1<\/span>) {\n            result += <span class=\"hljs-string\">','<\/span>;\n        }\n    }\n    <span class=\"hljs-keyword\">return<\/span> result;\n}\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">concat<\/span>(<span class=\"hljs-params\">array<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">''<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; array.length; i++) {\n        result = result.concat(array(i));\n        <span class=\"hljs-keyword\">if<\/span> (i &lt; array.length - <span class=\"hljs-number\">1<\/span>) {\n            result = result.concat(<span class=\"hljs-string\">','<\/span>);\n        }\n    }\n    <span class=\"hljs-keyword\">return<\/span> result;\n}\n<\/code><\/pre>\n<p>\u0646\u062a\u0627\u06cc\u062c \u0645\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">Concatenating with Operator: 3.914ms\nConcatenating with concat(): 23.988ms\nConcatenating with join(): 3.452ms\n<\/code><\/pre>\n<p>\u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u06a9\u0645\u06cc \u06a9\u0646\u062f\u062a\u0631 \u0627\u0632 <code>join()<\/code> \u0631\u0648\u0634\u060c \u0648 <code>concat()<\/code> \u0631\u0648\u0634 \u0645\u06cc \u0634\u0648\u062f <em>\u0648\u0627\u0642\u0639\u0627<\/em> \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0647\u0631 \u062f\u0648\u06cc \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627 \u06a9\u0646\u062f \u0627\u0633\u062a.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0634\u0627\u06cc\u0627\u0646 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0631\u0633\u0645\u06cc \u0627\u0632 <a target=\"_blank\" rel=\"nofollow noopener noreferrer\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/String\/concat\">MDN<\/a>\u060c \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0627 <code>concat()<\/code> \u0631\u0648\u0634 \u06cc\u0627 \u0639\u0645\u0644\u06af\u0631\u0647\u0627 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<blockquote>\n<p>\u0627\u06a9\u06cc\u062f\u0627\u064b \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0627\u0646\u062a\u0633\u0627\u0628 (+\u060c +=) \u0628\u0647 \u062c\u0627\u06cc \u0645\u062a\u062f ()concat \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f.<\/p>\n<\/blockquote>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06cc\u0646 \u0628\u0647 \u0647\u06cc\u0686 \u0648\u062c\u0647 \u0644\u0627\u0632\u0645 \u0646\u06cc\u0633\u062a\u060c \u0648 \u0634\u0645\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f <code>concat()<\/code> \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u062a\u0631 \u0627\u0632 <code>+<\/code> \u0627\u067e\u0631\u0627\u062a\u0648\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with Operator'<\/span>);\nconcatWithOperator();\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with Operator'<\/span>);\n\n<span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">'Concatenating with Function'<\/span>);\nconcatWithFunction();\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">'Concatenating with Function'<\/span>);\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">concatWithOperator<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">\"\"<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10000<\/span>; i++) {\n      result += i;\n    }\n}\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">concatWithFunction<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> result = <span class=\"hljs-string\">\"\"<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10000<\/span>; i++) {\n      result = result.concat(i);\n    }\n}\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631:<\/p>\n<pre><code class=\"hljs\">Concatenating with Operator: 1.921ms\nConcatenating with Function: 0.855ms\n<\/code><\/pre>\n<p>\u0645\u0631\u0648\u0631\u06af\u0631 \u0634\u0645\u0627\u060c \u0646\u0633\u062e\u0647 \u0622\u0646\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0627\u06cc \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0632 \u0645\u0627\u0634\u06cc\u0646\u06cc \u0628\u0647 \u0645\u0627\u0634\u06cc\u0646 \u062f\u06cc\u06af\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f\u060c \u0648 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0622\u0646\u200c\u0647\u0627 \u0648\u0627\u0642\u0639\u0627 \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u0627\u062b\u06cc\u0631 \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u0646\u062f.<\/p>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062a\u0633\u062a \u0648 \u062a\u0627\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u062f<\/strong> \u0628\u0647\u200c\u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u062a\u0648\u0635\u06cc\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0648\u0627\u0642\u0639\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f.  \u0647\u0645\u0647 \u0645\u0627\u0634\u06cc\u0646\u200c\u0647\u0627 \u0648 \u0645\u062d\u06cc\u0637\u200c\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0646\u06cc\u0633\u062a\u0646\u062f \u0648 \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0639\u0627\u0644\u06cc \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0631\u0648\u06cc \u06cc\u06a9\u06cc\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0639\u0627\u0644\u06cc \u06a9\u0627\u0631 \u0646\u06a9\u0646\u062f \u0631\u0648\u06cc \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631.<\/p>\n<\/p><\/div><\/div><\/div>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u0646\u06af\u0627\u0647\u06cc \u062f\u0642\u06cc\u0642 \u0628\u0647 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0648\u0633\u062a\u0646 \u0644\u06cc\u0633\u062a \u0631\u0634\u062a\u0647 \u0647\u0627 \u0628\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647\u060c \u0628\u0627 \u0648 \u0628\u062f\u0648\u0646 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u062f\u0627\u0634\u062a\u0647 \u0627\u06cc\u0645.<\/p>\n<p>\u0645\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0645\u0648\u0627\u0631\u062f \u0645\u0634\u062a\u0631\u06a9 \u0627\u0646\u062f\u0627\u062e\u062a\u0647 \u0627\u06cc\u0645 <code>join()<\/code> \u0631\u0648\u0634\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0648 \u0631\u0648\u0634 \u062e\u0648\u062f\u0645\u0627\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631 \u0645\u0648\u0627\u0642\u0639\u06cc \u06a9\u0647 \u0628\u0647 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0646\u06cc\u0627\u0632 \u0646\u06cc\u0633\u062a\u060c \u0627\u062c\u0631\u0627 \u06a9\u0631\u062f\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f\u0634\u0627\u0646 \u0645\u062d\u06a9 \u0632\u062f\u0647 \u0627\u06cc\u0645.<\/p>\n<\/div>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-14 09:23:03<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;15591&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0631\u0648\u0634 \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 JavaScriptData \u0627\u0634\u06a9\u0627\u0644 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class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0634\u06a9\u0627\u0644 \u0645\u062e\u062a\u0644\u0641\u06cc \u062f\u0627\u0631\u0646\u062f &#8211; \u0648 \u0644\u06cc\u0633\u062a \u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0631\u0627\u06cc\u062c \u0647\u0633\u062a\u0646\u062f. \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a \u0648 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0622\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0627\u0644\u062d\u0627\u0642 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0622\u0646 \u0648\u0638\u06cc\u0641\u0647\u060c \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u0634\u062a\u0647 \u062f\u0631 \u0622\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0631\u0648\u0634 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u062f\u06cc\u06af\u0631\u06cc 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