{"id":16423,"date":"2024-01-24T21:20:08","date_gmt":"2024-01-24T17:50:08","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/"},"modified":"2024-01-24T21:20:08","modified_gmt":"2024-01-24T17:50:08","slug":"spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/","title":{"rendered":"Spread Operator \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0645\u0634\u062e\u0635\u0627\u062a ES6 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f &#8211; Operator Spread.  \u0627\u06af\u0631\u0686\u0647 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06af\u0631 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0622\u0646 \u0631\u0627 \u062f\u0631\u06a9 \u0646\u06a9\u0646\u06cc\u062f\u060c \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a.  \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0633\u0647 \u0646\u0642\u0637\u0647 \u0627\u0632 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u06a9\u0647 \u06a9\u0627\u0631 \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0631\u0627 \u0631\u0641\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645."},"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\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/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\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d9%85%d9%88%d8%a7%d8%b1%d8%af_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_spread\" >\u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 Spread<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d8%af%d8%b1_%d8%ad%d8%a7%d9%84_%da%af%d8%b3%d8%aa%d8%b1%d8%b4_%d8%a2%d8%b1%d8%a7%db%8c%d9%87_%d9%87%d8%a7\" >\u062f\u0631 \u062d\u0627\u0644 \u06af\u0633\u062a\u0631\u0634 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d8%aa%d8%b1%da%a9%db%8c%d8%a8_%d8%a2%d8%b1%d8%a7%db%8c%d9%87_%d9%87%d8%a7\" >\u062a\u0631\u06a9\u06cc\u0628 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%da%a9%d9%be%db%8c_%da%a9%d8%b1%d8%af%d9%86_%d8%a2%d8%b1%d8%a7%db%8c%d9%87_%d9%87%d8%a7_%d9%88_%d8%a7%d8%b4%db%8c%d8%a7\" >\u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0648 \u0627\u0634\u06cc\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d8%ac%d8%a7%db%8c%da%af%d8%b2%db%8c%d9%86%db%8c_%d8%a8%d8%b1%d8%a7%db%8c_%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c_%d8%aa%d9%88%d8%a7%d8%a8%d8%b9_%d8%a8%d8%a7_application\" >\u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0648\u0627\u0628\u0639 \u0628\u0627 application()<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a8%d8%a7_%d8%aa%d9%88%d8%a7%d8%a8%d8%b9_%d8%b1%db%8c%d8%a7%d8%b6%db%8c\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0631\u06cc\u0627\u0636\u06cc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%d9%be%d8%a7%d8%b1%d8%a7%d9%85%d8%aa%d8%b1_spread_operator_vs_rest\" >\u067e\u0627\u0631\u0627\u0645\u062a\u0631 Spread Operator vs Rest<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rasanegaar.com\/blog\/spread-operator-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d8%a2%d9%85%d9%88%d8%b2%d8%b4%d8%8c-%db%8c%da%a9%db%8c-%d8%a7%d8%b2\/#%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\"> 6<\/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<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0645\u0634\u062e\u0635\u0627\u062a ES6 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &#8211; Operator Spread &#8211; \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.  \u0627\u06af\u0631\u0686\u0647 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06af\u0631 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0622\u0646 \u0631\u0627 \u062f\u0631\u06a9 \u0646\u06a9\u0646\u06cc\u062f\u060c \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a.  \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0627\u06cc\u0646 \u0633\u0647 \u0646\u0642\u0637\u0647 \u0631\u0627 \u0627\u0628\u0647\u0627\u0645 \u0632\u062f\u0627\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>...<\/code> \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0647 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632\u06cc \u0631\u0627 \u0628\u0627 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<h2 id=\"usagesofthespreadoperator\"><span class=\"ez-toc-section\" id=\"%d9%85%d9%88%d8%a7%d8%b1%d8%af_%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d8%a7%d9%be%d8%b1%d8%a7%d8%aa%d9%88%d8%b1_spread\"><\/span>\u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 Spread<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u0648 \u0647\u0631 \u0647\u062f\u0641 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062d\u0644 \u06cc\u06a9 \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0645\u0634\u06a9\u0644 \u0645\u062a\u0641\u0627\u0648\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n<h3 id=\"expandingarrays\"><span class=\"ez-toc-section\" id=\"%d8%af%d8%b1_%d8%ad%d8%a7%d9%84_%da%af%d8%b3%d8%aa%d8%b1%d8%b4_%d8%a2%d8%b1%d8%a7%db%8c%d9%87_%d9%87%d8%a7\"><\/span>\u062f\u0631 \u062d\u0627\u0644 \u06af\u0633\u062a\u0631\u0634 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u06cc\u0627 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0648 \u0645\u062d\u062a\u0648\u06cc\u0627\u062a \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0639\u0646\u0627\u0635\u0631 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> greet = (<span class=\"hljs-string\">'Hello'<\/span>, <span class=\"hljs-string\">'World'<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(greet); <span class=\"hljs-comment\">\/\/ Without spread operator<\/span>\n<span class=\"hljs-built_in\">console<\/span>.log(...greet); <span class=\"hljs-comment\">\/\/ Using spread operator<\/span>\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f:<\/p>\n<pre><code class=\"hljs\">('Hello', 'World')\nHello World\n<\/code><\/pre>\n<p>\u062d\u062a\u0645\u0627 \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644\u062a \u062f\u0648\u0645 (\u0628\u0627 \u0639\u0645\u0644\u06af\u0631 spread)\u060c \u0645\u062d\u062a\u0648\u06cc\u0627\u062a <code>greet<\/code> \u0644\u06cc\u0633\u062a \u06af\u0633\u062a\u0631\u0634 \u06cc\u0627\u0641\u062a\u0647 \u0648 \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0627\u0631\u062c \u0634\u062f.<\/p>\n<p>\u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0628\u062f\u06cc\u0644 a \u0631\u0627 \u0627\u062d\u0633\u0627\u0633 \u06a9\u0646\u06cc\u0645 <code>String<\/code> \u0628\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0634\u062e\u0635\u06cc\u062a \u0647\u0627  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> greetings = <span class=\"hljs-string\">\"hello\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> chars = (...greetings);\n<span class=\"hljs-built_in\">console<\/span>.log(chars);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645\u060c \u0628\u0627 \u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u0645\u0648\u0627\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0634\u062f:<\/p>\n<pre><code class=\"hljs\">( 'h', 'e', 'l', 'l', 'o' )\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u200c\u0647\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0645\u0627 \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u0633\u0648\u062f\u0645\u0646\u062f\u06cc \u0627\u06cc\u0646 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0645\u062a\u0642\u0627\u0639\u062f \u0646\u06a9\u0646\u062f.  \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0627\u0645\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u0645 \u06a9\u0647 \u0628\u0627 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc spread \u0642\u0627\u0628\u0644 \u062d\u0644 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<h3 id=\"combiningarrays\"><span class=\"ez-toc-section\" id=\"%d8%aa%d8%b1%da%a9%db%8c%d8%a8_%d8%a2%d8%b1%d8%a7%db%8c%d9%87_%d9%87%d8%a7\"><\/span>\u062a\u0631\u06a9\u06cc\u0628 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0627\u0632 \u0627\u06cc\u0646 \u0648\u0627\u0642\u0639\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u06af\u0633\u062a\u0631\u0634 \u062f\u0647\u06cc\u0645.  \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u0627 \u0644\u06cc\u0633\u062a \u0645\u0634\u062a\u0631\u06a9\u06cc\u0646 \u0627\u0632 \u062f\u0648 \u0645\u0646\u0628\u0639 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0647\u0631 \u062f\u0648 \u0645\u0646\u0628\u0639 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u0645 \u0648 \u06cc\u06a9 \u0641\u0647\u0631\u0633\u062a \u0645\u0634\u062a\u0631\u06a9 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> blog1Subscribers = (<span class=\"hljs-string\">'(email\u00a0protected)'<\/span>, <span class=\"hljs-string\">'(email\u00a0protected)'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> blog2Subscribers = (<span class=\"hljs-string\">'(email\u00a0protected)'<\/span>, <span class=\"hljs-string\">'(email\u00a0protected)'<\/span>, <span class=\"hljs-string\">'(email\u00a0protected)'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> subscribers = (...blog1Subscribers, ...blog2Subscribers);\n<span class=\"hljs-built_in\">console<\/span>.log(subscribers);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645\u060c \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0648\u0627\u062d\u062f \u0627\u0632 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631\u0647\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.  \u0627\u06cc\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0647\u0631 \u062f\u0648 \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u0634\u062f <code>...blog1Subscribers<\/code> \u0648 <code>...blog2Subscribers<\/code> \u067e\u062e\u0634 \u0634\u062f\u0646\u062f \u0648 <code>()<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 &#8220;\u06af\u06cc\u0631\u0646\u062f\u0647&#8221; \u0639\u0645\u0644 \u06a9\u0631\u062f\u060c \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0642\u0644\u0627\u0645 \u067e\u062e\u0634 \u0634\u062f\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0648\u0627\u062d\u062f \u0627\u0632 \u0627\u0642\u0644\u0627\u0645 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0631\u062f.<\/p>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0627\u067e\u0631\u0627\u062a\u0648\u0631 spread \u0628\u0647 \u06af\u06cc\u0631\u0646\u062f\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f \u062a\u0627 \u0645\u0642\u062f\u0627\u0631 \u06af\u0633\u062a\u0631\u0634 \u06cc\u0627\u0641\u062a\u0647 \u0631\u0627 \u062f\u0631 \u0622\u0646 \u0642\u0631\u0627\u0631 \u062f\u0647\u062f.  \u0627\u06af\u0631 \u06af\u06cc\u0631\u0646\u062f\u0647 \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f\u060c \u062e\u0637\u0627 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u062f\u0631 \u062f\u0627\u062e\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>Array.push()<\/code> \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u0641\u0634\u0627\u0631 \u062f\u0627\u062f\u0646 \u0645\u062d\u062a\u0648\u06cc\u0627\u062a \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062f\u06cc\u06af\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> arr1 = (<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-string\">'Sofia'<\/span>, <span class=\"hljs-string\">'Bob'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> arr2 = (<span class=\"hljs-string\">'Julia'<\/span>, <span class=\"hljs-string\">'Sean'<\/span>, <span class=\"hljs-string\">'Anthony'<\/span>);\narr1.push(...arr2);\n<span class=\"hljs-built_in\">console<\/span>.log(arr1);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645\u060c \u062e\u0631\u0648\u062c\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">( 'John', 'Sofia', 'Bob', 'Julia', 'Sean', 'Anthony' )\n<\/code><\/pre>\n<h3 id=\"copyingarraysandobjects\"><span class=\"ez-toc-section\" id=\"%da%a9%d9%be%db%8c_%da%a9%d8%b1%d8%af%d9%86_%d8%a2%d8%b1%d8%a7%db%8c%d9%87_%d9%87%d8%a7_%d9%88_%d8%a7%d8%b4%db%8c%d8%a7\"><\/span>\u06a9\u067e\u06cc \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0648 \u0627\u0634\u06cc\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0647\u0631 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u063a\u06cc\u0631 \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u06cc\u06a9 \u0627\u0633\u062a <code>Object<\/code>\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0646\u06cc\u0632 \u0634\u06cc \u0647\u0633\u062a\u0646\u062f.  \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062f\u0627\u0646\u06cc\u062f \u06a9\u0647 \u0627\u0634\u06cc\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0646\u0648\u0639 \u0645\u0631\u062c\u0639 \u06a9\u067e\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> arr1 = (<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-string\">'Sofia'<\/span>, <span class=\"hljs-string\">'Bob'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> arr2 = arr1;\n<span class=\"hljs-built_in\">console<\/span>.log(arr2);\narr1.push(<span class=\"hljs-string\">'Sally'<\/span>); <span class=\"hljs-comment\">\/\/ Change arr1<\/span>\n<span class=\"hljs-built_in\">console<\/span>.log(arr2);\n<\/code><\/pre>\n<pre><code class=\"hljs\">( 'John', 'Sofia', 'Bob' )\n( 'John', 'Sofia', 'Bob', 'Sally' )\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u0645\u06cc \u0631\u0641\u062a\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 \u0622\u06cc\u062a\u0645 \u0647\u0627 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u06a9\u067e\u06cc \u0646\u0634\u062f\u0646\u062f\u060c \u0641\u0642\u0637 \u0627\u0631\u062c\u0627\u0639 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0628\u0648\u062f.  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0631\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0627 \u0639\u0645\u0644\u06af\u0631 spread \u062d\u0644 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> arr1 = (<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-string\">'Sofia'<\/span>, <span class=\"hljs-string\">'Bob'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> arr2 = (...arr1);\n<span class=\"hljs-built_in\">console<\/span>.log(arr2);\narr1.push(<span class=\"hljs-string\">'Sally'<\/span>); <span class=\"hljs-comment\">\/\/ Change arr1<\/span>\n<span class=\"hljs-built_in\">console<\/span>.log(arr2);\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">( 'John', 'Sofia', 'Bob' )\n( 'John', 'Sofia', 'Bob' )\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645\u060c <code>arr2<\/code> \u0645\u0627\u0646\u0646\u062f \u0642\u0628\u0644 \u0627\u0632 \u06cc\u06a9 \u0645\u0631\u062c\u0639 \u0639\u0628\u0648\u0631 \u0646\u06a9\u0631\u062f\u060c \u0628\u0644\u06a9\u0647 \u0628\u0627 \u0622\u0646 \u067e\u0631 \u0634\u062f\u0647 \u0628\u0648\u062f <em>\u0627\u0631\u0632\u0634 \u0647\u0627\u06cc<\/em> \u0627\u0632 <code>arr1<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u06cc \u06a9\u0627\u0645\u0644\u0627 \u062c\u062f\u06cc\u062f  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062d\u062a\u06cc \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 <code>arr1<\/code> \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a\u060c <code>arr2<\/code> \u0628\u0647 \u0647\u0645\u0627\u0646 \u0634\u06a9\u0644 \u0628\u0627\u0642\u06cc \u0645\u06cc \u0645\u0627\u0646\u062f.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u06a9\u067e\u06cc \u0627\u0632 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <strong>\u0648<\/strong> \u0639\u0646\u0627\u0635\u0631 \u062c\u062f\u06cc\u062f \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0647 \u0622\u0646 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> arr1 = (<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-string\">'Sofia'<\/span>, <span class=\"hljs-string\">'Bob'<\/span>);\n<span class=\"hljs-keyword\">let<\/span> arr2 = (...arr1, <span class=\"hljs-string\">'Anthony'<\/span>, <span class=\"hljs-string\">'Sean'<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(arr2);\n<\/code><\/pre>\n<pre><code class=\"hljs\">('John', 'Sofia', 'Bob', 'Anthony', 'Sean')\n<\/code><\/pre>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0639\u0645\u0644\u06af\u0631 spread \u0628\u0627 \u0647\u0645\u0647 \u062a\u06a9\u0631\u0627\u0631\u067e\u0630\u06cc\u0631\u0647\u0627 \u0627\u0632 \u062c\u0645\u0644\u0647 Object \u0647\u0627 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0642\u0628\u0644\u0627\u064b \u0627\u06cc\u0646 \u06cc\u06a9 \u062e\u0637 \u06a9\u062f \u0627\u0636\u0627\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0648\u062f\u0646 \u0645\u0648\u0627\u0631\u062f \u062c\u062f\u06cc\u062f \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a.<\/p>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u0645\u0634\u0627\u0628\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0634\u06cc\u0627\u0621 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 spread \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> o1 = { <span class=\"hljs-attr\">a<\/span>: <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-attr\">b<\/span>: <span class=\"hljs-number\">2<\/span> };\n<span class=\"hljs-keyword\">let<\/span> o2 = { <span class=\"hljs-attr\">c<\/span>: <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-attr\">d<\/span>: <span class=\"hljs-number\">4<\/span>, ...o1 };\n<span class=\"hljs-built_in\">console<\/span>.log(o2);\n<\/code><\/pre>\n<pre><code class=\"hljs\">{ c: 3, d: 4, a: 1, b: 2 }\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u0645\u0627 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0634\u06cc \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0631\u062f\u06cc\u0645 <code>o1<\/code> \u0628\u0647 <code>o2<\/code>.<\/p>\n<p>\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0634\u06cc \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u06a9\u067e\u06cc \u06a9\u0645 \u0639\u0645\u0642 \u0627\u0632 \u0622\u0646 \u0634\u06cc \u0628\u0633\u0627\u0632\u06cc\u0645 \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0628\u0647 \u0634\u06cc \u06a9\u067e\u06cc \u0634\u062f\u0647 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> user = { <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-attr\">email<\/span>: <span class=\"hljs-string\">'(email\u00a0protected)'<\/span> };\n<span class=\"hljs-keyword\">let<\/span> _user = { ...user, ...getSession(user) };\n<span class=\"hljs-built_in\">console<\/span>.log(_user);\n<\/code><\/pre>\n<pre><code class=\"hljs\">{ name: 'John', email: '(email\u00a0protected)', 'token': 'abc123', 'expiresAt': 1565630480671 }\n<\/code><\/pre>\n<p>\u0645\u0627 \u0646\u06cc\u0632 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 <em>\u0627\u062f\u063a\u0627\u0645<\/em> \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0635\u0648\u0631\u062a\u062d\u0633\u0627\u0628 \u0648 \u062d\u0645\u0644 \u0648 \u0646\u0642\u0644 \u062f\u0631 \u06cc\u06a9:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> billing = { <span class=\"hljs-attr\">billingContact<\/span>: <span class=\"hljs-string\">'0987654321'<\/span>, <span class=\"hljs-attr\">billingAddress<\/span>: <span class=\"hljs-string\">'street no 123, xyz city'<\/span> };\n<span class=\"hljs-keyword\">const<\/span> shipping = { <span class=\"hljs-attr\">shippingContact<\/span>: <span class=\"hljs-string\">'123456789'<\/span>, <span class=\"hljs-attr\">shippingAddress<\/span>: <span class=\"hljs-string\">'street no 999, abc city'<\/span> };\n<span class=\"hljs-keyword\">const<\/span> custInfo = { ...billing, ...shipping };\n<span class=\"hljs-built_in\">console<\/span>.log(custInfo);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645\u060c \u0628\u0627\u06cc\u062f \u0628\u0647 \u0645\u0627 \u062e\u0648\u0634\u0627\u0645\u062f \u0628\u06af\u0648\u06cc\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">{\n  billingContact: '0987654321',\n  billingAddress: 'street no 123, xyz city',\n  shippingContact: '123456789',\n  shippingAddress: 'street no 999, abc city'\n}\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0633\u0648\u0627\u0644 \u0631\u0627 \u0645\u0637\u0631\u062d \u06a9\u0631\u062f.  \u0686\u0647 \u0645\u06cc \u0634\u0648\u062f \u0627\u06af\u0631 \u0647\u0631 \u062f\u0648 \u0634\u06cc \u062f\u0627\u0631\u0627\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u06cc\u06a9\u0633\u0627\u0646 \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0635\u0648\u0631\u062a \u0628\u0631\u062e\u0648\u0631\u062f \u062e\u0648\u0627\u0635\u060c \u062e\u0627\u0635\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 \u0634\u06cc \u0628\u0631\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0628\u0628\u06cc\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> o1 = { <span class=\"hljs-attr\">a<\/span>: <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-attr\">b<\/span>: <span class=\"hljs-number\">2<\/span> };\n<span class=\"hljs-keyword\">const<\/span> o2 = { <span class=\"hljs-attr\">b<\/span>: <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-attr\">c<\/span>: <span class=\"hljs-number\">4<\/span>, ...o1};\n<span class=\"hljs-built_in\">console<\/span>.log(o2);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">{ b: 2, c: 4, a: 1 }\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0634\u06cc \u062f\u0648\u0645 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>o2<\/code> \u0628\u0631\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06af\u0631 \u0639\u0645\u0644\u06af\u0631 spread \u0631\u0627 \u0627\u0628\u062a\u062f\u0627 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> o1 = { <span class=\"hljs-attr\">a<\/span>: <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-attr\">b<\/span>: <span class=\"hljs-number\">2<\/span> };\n<span class=\"hljs-keyword\">const<\/span> o2 = { ...o1, <span class=\"hljs-attr\">b<\/span>: <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-attr\">c<\/span>: <span class=\"hljs-number\">4<\/span>};\n<span class=\"hljs-built_in\">console<\/span>.log(o2);\n<\/code><\/pre>\n<pre><code class=\"hljs\">{ a: 1, b: 3, c: 4 }\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0645\u0644\u06a9 \u0627\u0632 <code>o1<\/code> \u0628\u0631\u0646\u062f\u0647 \u0627\u0633\u062a\u060c \u06a9\u0647 \u0627\u0632 \u0622\u0646 \u0632\u0645\u0627\u0646 \u0645\u0646\u0637\u0642\u06cc \u0627\u0633\u062a <code>o2<\/code> \u0622\u062e\u0631\u06cc\u0646 \u0634\u06cc \u0627\u0633\u062a<\/p>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0639\u06cc\u06cc\u0646 \u062a\u06a9\u0627\u0644\u06cc\u0641 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0628\u0627\u0634\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> userProvided = {\n    <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'Bil Smith'<\/span>,\n    <span class=\"hljs-attr\">email<\/span>: <span class=\"hljs-string\">'(email\u00a0protected)'<\/span>,\n};\n<span class=\"hljs-keyword\">const<\/span> defaultValues = {\n    <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'Unknown'<\/span>,\n    <span class=\"hljs-attr\">address<\/span>: <span class=\"hljs-string\">'Alien'<\/span>,\n    <span class=\"hljs-attr\">phone<\/span>: <span class=\"hljs-literal\">null<\/span>,\n    <span class=\"hljs-attr\">email<\/span>: <span class=\"hljs-literal\">null<\/span>\n};\n<span class=\"hljs-keyword\">const<\/span> userInfo = { ...defaultValues, ...userProvided };\n<\/code><\/pre>\n<h3 id=\"alternativetocallingfunctionswithapply\"><span class=\"ez-toc-section\" id=\"%d8%ac%d8%a7%db%8c%da%af%d8%b2%db%8c%d9%86%db%8c_%d8%a8%d8%b1%d8%a7%db%8c_%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c_%d8%aa%d9%88%d8%a7%d8%a8%d8%b9_%d8%a8%d8%a7_application\"><\/span>\u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0648\u0627\u0628\u0639 \u0628\u0627 application()<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc \u06af\u06cc\u0631\u062f &#8211; \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0627\u0645\u062a\u06cc\u0627\u0632\u0627\u062a 5 \u062f\u0627\u0646\u0634 \u0622\u0645\u0648\u0632 \u0628\u0631\u062a\u0631 \u06cc\u06a9 \u06a9\u0644\u0627\u0633.  \u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0641\u0647\u0631\u0633\u062a\u06cc \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u0627\u0632 \u0645\u0646\u0628\u0639 \u062e\u0627\u0631\u062c\u06cc \u0622\u0645\u062f\u0647 \u0627\u0633\u062a.  \u0645\u0637\u0645\u0626\u0646\u0627\u064b\u060c \u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0639\u0628\u0648\u0631 \u062f\u0627\u062f\u0646 \u0622\u06cc\u062a\u0645\u200c\u0647\u0627\u06cc \u0641\u0631\u062f\u06cc \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u0645 \u0648 \u062f\u0631 \u0639\u0648\u0636 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0645\u0647\u060c \u06a9\u0644 \u0641\u0647\u0631\u0633\u062a \u0631\u0627 \u067e\u0627\u0633 \u06a9\u0646\u06cc\u0645 <code>apply()<\/code> \u0631\u0648\u0634:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-title\">myFun<\/span>(<span class=\"hljs-params\">m1, m2, m3, m4, m5<\/span>)<\/span> {\n    <span class=\"hljs-comment\">\/\/ Do something<\/span>\n}\n\n<span class=\"hljs-keyword\">let<\/span> marks = (<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">23<\/span>, <span class=\"hljs-number\">83<\/span>, -<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">92<\/span>);\nmyFun.apply(<span class=\"hljs-literal\">undefined<\/span>, arr);\n<\/code><\/pre>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0634\u0631 \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u062e\u0644\u0627\u0635 \u0634\u0648\u06cc\u0645 <code>undefined<\/code> \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u06a9\u0646\u06cc\u062f \u0648 \u06a9\u062f \u0631\u0627 \u0628\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u062a\u0627\u0628\u0639 \u0628\u0627 \u0639\u0645\u0644\u06af\u0631 spread \u067e\u0627\u06a9 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-title\">myFun<\/span>(<span class=\"hljs-params\">m1, m2, m3, m4, m5<\/span>)<\/span> {\n    <span class=\"hljs-comment\">\/\/ Do something<\/span>\n}\n\n<span class=\"hljs-keyword\">let<\/span> marks = (<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">23<\/span>, <span class=\"hljs-number\">83<\/span>, -<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">92<\/span>);\nmyFun(...marks);\n<\/code><\/pre>\n<h3 id=\"usingwithmathfunctions\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a8%d8%a7_%d8%aa%d9%88%d8%a7%d8%a8%d8%b9_%d8%b1%db%8c%d8%a7%d8%b6%db%8c\"><\/span>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0631\u06cc\u0627\u0636\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0627\u0633\u062a <code>Math<\/code> \u0634\u06cc \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u060c \u06cc\u0639\u0646\u06cc \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627.<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0627\u0632 \u0633\u0647 \u0634\u0645\u0627\u0631\u0647 \u0627\u0648\u0644 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> mylist = (<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">23<\/span>, <span class=\"hljs-number\">83<\/span>, -<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">92<\/span>, -<span class=\"hljs-number\">33<\/span>, <span class=\"hljs-number\">76<\/span>, <span class=\"hljs-number\">29<\/span>, <span class=\"hljs-number\">76<\/span>, <span class=\"hljs-number\">100<\/span>, <span class=\"hljs-number\">644<\/span>, -<span class=\"hljs-number\">633<\/span>);\n<span class=\"hljs-built_in\">Math<\/span>.max(mylist(<span class=\"hljs-number\">0<\/span>), mylist(<span class=\"hljs-number\">1<\/span>), mylist(<span class=\"hljs-number\">2<\/span>));\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u062d\u062f\u0627\u06a9\u062b\u0631 \u062a\u0645\u0627\u0645 \u0627\u0639\u062f\u0627\u062f \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0631\u0627 \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u0645 \u0686\u0647\u061f  \u0627\u06af\u0631 \u0644\u06cc\u0633\u062a \u062f\u0627\u0631\u0627\u06cc n \u062a\u0639\u062f\u0627\u062f \u0622\u06cc\u062a\u0645 \u0628\u0627\u0634\u062f \u0686\u0647\u061f  \u062d\u062a\u0645\u0627 \u0645\u0627 \u0646\u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 <code>mylist(0), mylist(1)... mylist(1000)<\/code>.<\/p>\n<p>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 spread \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u062a\u0645\u06cc\u0632\u062a\u0631 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> mylist = (<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">23<\/span>, <span class=\"hljs-number\">83<\/span>, -<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">92<\/span>, -<span class=\"hljs-number\">33<\/span>, <span class=\"hljs-number\">76<\/span>, <span class=\"hljs-number\">29<\/span>, <span class=\"hljs-number\">76<\/span>, <span class=\"hljs-number\">100<\/span>, <span class=\"hljs-number\">644<\/span>, -<span class=\"hljs-number\">633<\/span>);\n<span class=\"hljs-built_in\">Math<\/span>.max(...mylist);\n<\/code><\/pre>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u0639\u0645\u0644\u06af\u0631 spread \u0647\u0645 \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627 \u0648 \u0647\u0645 \u0628\u0627 \u0627\u0634\u06cc\u0627\u0621 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0648\u0633\u0648\u0633\u0647 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.  \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0646\u06a9\u0646!  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0639\u0645\u0644 \u0632\u06cc\u0631 \u0645\u0646\u062c\u0631 \u0628\u0647 \u062e\u0637\u0627 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">let<\/span> user = {<span class=\"hljs-attr\">name<\/span>:<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-attr\">age<\/span>:<span class=\"hljs-number\">28<\/span>, <span class=\"hljs-attr\">email<\/span>:<span class=\"hljs-string\">'(email\u00a0protected)'<\/span>};\n<span class=\"hljs-keyword\">let<\/span> items = (...user);\n<\/code><\/pre>\n<pre><code class=\"hljs\">TypeError: user is not iterable\n<\/code><\/pre>\n<h2 id=\"spreadoperatorvsrestparameter\"><span class=\"ez-toc-section\" id=\"%d9%be%d8%a7%d8%b1%d8%a7%d9%85%d8%aa%d8%b1_spread_operator_vs_rest\"><\/span>\u067e\u0627\u0631\u0627\u0645\u062a\u0631 Spread Operator vs Rest<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0631 \u062f\u0648 <em>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u06af\u0633\u062a\u0631\u0634<\/em> \u0648 <em>\u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0633\u062a\u0631\u0627\u062d\u062a<\/em> \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06af\u0630\u0627\u0634\u062a\u0646 \u0646\u062d\u0648 \u06cc\u06a9\u0633\u0627\u0646 \u06cc\u0639\u0646\u06cc \u0633\u0647 \u0646\u0642\u0637\u0647 \u062c\u0627\u062f\u0648\u06cc\u06cc <code>...<\/code>.  \u0627\u0645\u0627 \u0622\u0646\u0647\u0627 \u062f\u0642\u06cc\u0642\u0627\u064b \u0645\u062e\u0627\u0644\u0641 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0631\u0641\u062a\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0628\u062a\u062f\u06cc\u060c \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06cc\u0646 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0634\u062f.  \u0646\u06a9\u062a\u0647 \u0627\u0635\u0644\u06cc \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0631\u0641\u062a\u0627\u0631\u060c \u062f\u0631\u06a9 \u0632\u0645\u06cc\u0646\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0622\u0645\u0648\u062e\u062a\u06cc\u0645\u060c \u0639\u0645\u0644\u06af\u0631 spread \u0645\u062d\u062a\u0648\u06cc\u0627\u062a \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u0646\u062f\u0647 \u0631\u0627 \u06af\u0633\u062a\u0631\u0634 \u0645\u06cc \u062f\u0647\u062f.  \u062f\u0631 \u0645\u0642\u0627\u0628\u0644\u060c \u0639\u0645\u0644\u06af\u0631 rest \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">doSum<\/span>(<span class=\"hljs-params\">...items<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> sum = <span class=\"hljs-number\">0<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> item <span class=\"hljs-keyword\">of<\/span> items){\n        sum += item;\n    }\n    <span class=\"hljs-keyword\">return<\/span> sum;\n}\n\ndoSum(<span class=\"hljs-number\">1<\/span>);\ndoSum(<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">2<\/span>);\ndoSum(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645\u060c \u0628\u0627 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0645\u0648\u0627\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0634\u062f:<\/p>\n<pre><code class=\"hljs\">1\n3\n6\n10\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645\u060c \u0647\u0631 \u0628\u0627\u0631 \u0639\u0646\u0627\u0635\u0631 \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647 \u062a\u0648\u0633\u0637 \u06af\u0631\u0648\u0647 \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0645\u06cc \u0634\u062f\u0646\u062f <em>\u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0633\u062a\u0631\u0627\u062d\u062a<\/em>.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0631\u0627\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u062a\u0645\u0627\u06cc\u0632 \u0627\u0631\u0627\u0626\u0647 \u06a9\u0646\u06cc\u0645 \u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0642\u06cc\u0647 \u0631\u0627 \u062c\u0645\u0639\u200c\u0622\u0648\u0631\u06cc \u06a9\u0646\u06cc\u0645.  \u062a\u0646\u0647\u0627 \u0634\u0631\u0637 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0633\u062a\u0631\u0627\u062d\u062a \u0647\u0645\u06cc\u0634\u0647 \u0622\u062e\u0631\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062a\u0627\u0628\u0639 \u0628\u0627\u0634\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">doSum<\/span>(<span class=\"hljs-params\">times, ...items<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">let<\/span> sum = <span class=\"hljs-number\">0<\/span>;\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> item <span class=\"hljs-keyword\">of<\/span> items){\n        sum += item*times;\n    }\n    <span class=\"hljs-keyword\">return<\/span> sum;\n}\n\ndoSum(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">1<\/span>);\ndoSum(<span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>);\ndoSum(<span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>);\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645\u060c \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f:<\/p>\n<pre><code class=\"hljs\">1\n6\n18\n<\/code><\/pre>\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>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0639\u0645\u0644\u06af\u0631 spread \u0631\u0627 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 <code>...<\/code> \u06cc\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u0648\u0627\u0642\u0639\u0627 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0632 \u0645\u0634\u062e\u0635\u0627\u062a ES6 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a.  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0631\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0639\u0645\u0644\u06af\u0631 \u062d\u0644 \u06a9\u0646\u06cc\u0645.  \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u062d\u062b \u0634\u062f \u0622\u0645\u0648\u062e\u062a\u06cc\u0645\u060c \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u062f \u06a9\u0645\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645 \u0648 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0645\u062a\u062f\u0627\u0648\u0644 \u0622\u0646 \u067e\u0631\u062f\u0627\u062e\u062a\u06cc\u0645 <em>\u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u06af\u0633\u062a\u0631\u0634<\/em>.  \u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u0638\u0627\u0647\u0631 \u0645\u0634\u0627\u0628\u0647\u060c \u0627\u0645\u0627 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u062d\u062b \u06a9\u0631\u062f\u06cc\u0645\u060c <em>\u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0633\u062a\u0631\u0627\u062d\u062a<\/em>.  \u0644\u0637\u0641\u0627\u064b \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0647 \u0647\u0627 \u0645\u0648\u0631\u062f \u062f\u06cc\u06af\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0631\u0648\u06cc \u0645\u0634\u06a9\u0644.<\/p>\n<\/div>\n<p>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0631\u062c\u0645\u0647)# \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-24 21:20:03<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;16423&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;Spread Operator \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0645\u0634\u062e\u0635\u0627\u062a ES6 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f - Operator Spread.  \u0627\u06af\u0631\u0686\u0647 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06af\u0631 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0622\u0646 \u0631\u0627 \u062f\u0631\u06a9 \u0646\u06a9\u0646\u06cc\u062f\u060c \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a.  \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0633\u0647 \u0646\u0642\u0637\u0647 \u0627\u0632 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u06a9\u0647 \u06a9\u0627\u0631 \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0631\u0627 \u0631\u0641\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645.&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" 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=\"2\" 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=\"3\" 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=\"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\"> 6<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0645\u0634\u062e\u0635\u0627\u062a ES6 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a &#8211; Operator Spread &#8211; \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0627\u06af\u0631\u0686\u0647 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06af\u0631 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0622\u0646 \u0631\u0627 \u062f\u0631\u06a9 \u0646\u06a9\u0646\u06cc\u062f\u060c \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0627\u06cc\u0646 \u0633\u0647 \u0646\u0642\u0637\u0647 \u0631\u0627 \u0627\u0628\u0647\u0627\u0645 \u0632\u062f\u0627\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 &#8230; \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06a9\u0647 \u06a9\u0627\u0631\u0647\u0627\u06cc [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1772,620],"tags":[],"class_list":["post-16423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","category-programming"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=16423"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16423\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/9045"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=16423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=16423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=16423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}