{"id":1577,"date":"2020-12-11T20:25:42","date_gmt":"2020-12-11T16:55:42","guid":{"rendered":"https:\/\/behnudi.ir\/?p=1577"},"modified":"2024-09-04T12:35:51","modified_gmt":"2024-09-04T09:05:51","slug":"js11-array","status":"publish","type":"post","link":"https:\/\/behnudi.ir\/?p=1577","title":{"rendered":"\u062c\u0627\u0648\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u06f1\u06f1- \u0622\u0631\u0627\u06cc\u0647"},"content":{"rendered":"<p><strong>\u0622\u0631\u0627\u06cc\u0647 (Array)<\/strong> \u0686\u0646\u062f\u06cc\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0627 \u06cc\u06a9 \u0646\u0627\u0645 \u0627\u0633\u062a. \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062f\u0631\u0648\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0627 \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u06a9\u0647 \u0628\u0647 \u0622\u0646 <strong>\u0627\u06cc\u0646\u062f\u06a9\u0633 (Index)<\/strong> \u0645\u06cc\u200c\u06af\u0648\u06cc\u06cc\u0645\u061b \u0627\u0632 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0645\u062a\u0645\u0627\u06cc\u0632 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062f\u0631\u0648\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 <strong>\u0627\u0650\u0644\u0645\u0646\u062a\u200c<\/strong>\u060c \u0645\u06cc\u200c\u0646\u0627\u0645\u0646\u062f.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-962\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array00.png\" \/><\/p>\n<p><strong>\u0642\u0648\u0627\u0639\u062f \u0646\u0627\u0645 \u06af\u0630\u0627\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647<\/strong><\/p>\n<ul>\n<li>\u0642\u0648\u0627\u0639\u062f \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0645\u0627\u0646\u0646\u062f \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a.<\/li>\n<li>\u0627\u06cc\u0646\u062f\u06a9\u0633 \u062f\u0631\u0648\u0646 <strong>[&#8230;] \u0628\u0650\u0631\u064e\u06a9\u0650\u062a Square Bracket<\/strong> \u0646\u0648\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<li>\u0627\u06cc\u0646\u062f\u06a9\u0633 \u0647\u0645\u06cc\u0634\u0647 \u0627\u0632 \u0639\u062f\u062f <strong>\u0635\u0641\u0631<\/strong>\u00a0\u0622\u063a\u0627\u0632 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n<p><strong>\u0645\u0631\u0627\u062d\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647<\/strong><\/p>\n<ul>\n<li><b>Declare<\/b>: \u062a\u0639\u06cc\u06cc\u0646 \u0646\u0627\u0645 \u0622\u0631\u0627\u06cc\u0647 \u0648 \u0627\u062e\u062a\u0635\u0627\u0635 \u0641\u0636\u0627 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647<\/li>\n<li><b>Assignment<\/b>: \u0646\u0648\u0634\u062a\u0646 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0622\u0646<\/li>\n<li><b>Access<\/b>: \u062e\u0648\u0627\u0646\u062f\u0646 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 \u0622\u0646<\/li>\n<\/ul>\n<h3>\u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647<\/h3>\n<div class=\"code-header\">1.<\/div>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Access\r\nalert(color[0]);    \/\/ red\r\nalert(color[1]);    \/\/ gold\r\nalert(color[2]);    \/\/ olive\r\nalert(color[3]);    \/\/ beige\r\nalert(color[4]);    \/\/ khaki\r\n\r\n<\/code><\/pre>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-952\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array01.png\" \/><\/p>\n<div class=\"code-header\">2.<\/div>\n<pre><code class=\"js\">\r\n\/\/ Declare\r\nlet color = [];\r\n\r\n\/\/ Assignment\r\ncolor[0] = \"red\";\r\ncolor[1] = \"gold\";\r\ncolor[2] = \"olive\";\r\ncolor[3] = \"beige\";\r\ncolor[4] = \"khaki\";\r\n\r\n\/\/ Access\r\nalert(color[0]);    \/\/ red\r\nalert(color[1]);    \/\/ gold\r\nalert(color[2]);    \/\/ olive\r\nalert(color[3]);    \/\/ beige\r\nalert(color[4]);    \/\/ khaki\r\n\r\n<\/code><\/pre>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-952\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array01.png\" \/><\/p>\n<hr \/>\n<h3>\u062a\u063a\u06cc\u06cc\u0631 \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9 \u0627\u0644\u0645\u0646\u062a<\/h3>\n<p>\u0634\u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0642\u062f\u0627\u0631 \u062f\u0631\u0648\u0646 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", <mark>\"olive\"<\/mark>, \"beige\", \"khaki\"];\r\n\r\n\/\/ Access\r\nalert(color[2]);    \/\/ olive\r\n\r\n\/\/ Change\r\n<mark>color[2] = \"lime\";<\/mark>\r\n\r\n\/\/ Access\r\nalert(color[2]);    \/\/ lime\r\n\r\n<\/code><\/pre>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-954\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array02.png\" \/><\/p>\n<hr \/>\n<h3>\u0627\u0641\u0632\u0648\u062f\u0646 \u06cc\u06a9 \u0627\u0644\u0645\u0646\u062a<\/h3>\n<p>\u0634\u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0627\u0644\u0645\u0646\u062a\u060c \u0628\u0647 \u0627\u0646\u062a\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0628\u06cc\u0641\u0632\u0627\u06cc\u06cc\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\"];\r\n\r\n\/\/ Access\r\nalert(color[4]);    \/\/ undefined \r\n\r\n\/\/ Add Element\r\ncolor[4] = \"khaki\";\r\n\r\n\/\/ Access\r\nalert(color[4]);    \/\/ khaki\r\n\r\n<\/code><\/pre>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-952\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array01.png\" \/><\/p>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>length<\/mark><\/h3>\n<p>\u062a\u0639\u062f\u0627\u062f \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Count\r\nalert(<mark>color.length<\/mark>);    \/\/ 5\r\n\r\n\/\/ Add element\r\ncolor[5] = \"lime\";\r\n\r\n\/\/ Count\r\nalert(<mark>color.length<\/mark>);    \/\/ 6\r\n\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-956\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array03.png\" alt=\"\" width=\"619\" height=\"300\" \/><\/p>\n<hr \/>\n<h3>\u062d\u0641\u0631\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647<\/h3>\n<p>\u0627\u0641\u0632\u0648\u062f\u0646 \u0627\u0644\u0645\u0646\u062a \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u0628\u06cc\u0646 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0641\u0631\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 (<mark>undefined holes<\/mark>) \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Count\r\nalert(<mark>color.length<\/mark>);    \/\/ 5\r\n\r\n\/\/ Add element\r\ncolor[7] = \"lime\";\r\n\r\n\/\/ Count\r\nalert(<mark>color.length<\/mark>);    \/\/ 8\r\n\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-958\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array04.png\" alt=\"\" width=\"825\" height=\"300\" \/><\/p>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>push(elm1, elm2, &#8230;)<\/mark><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u067e\u0631\u0647\u06cc\u0632 \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u062d\u0641\u0631\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647\u060c \u0628\u0627 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u0627\u0644\u0645\u0646\u062a \u0628\u0647 \u0627\u0646\u062a\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0628\u06cc\u0641\u0632\u0627\u06cc\u06cc\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u062a\u0639\u062f\u0627\u062f \u062c\u062f\u06cc\u062f \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Count\r\nalert(color.length);    \/\/ 5\r\n\r\n\/\/ Add element\r\n<mark>let n = color.push(\"lime\");<\/mark>\r\n\r\n\/\/ Access\r\nalert(n);    \/\/ 6\r\nalert(color) \/\/ red, gold, olive, beige, khaki, lime\r\n\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-956\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array03.png\" alt=\"\" width=\"619\" height=\"300\" \/><\/p>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>pop( )<\/mark><\/h3>\n<p>\u0622\u062e\u0631\u06cc\u0646 \u0627\u0644\u0645\u0646\u062a \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Count\r\nalert(color.length);    \/\/ 5\r\n\r\n\/\/ Add element\r\nlet c = <mark>color.pop()<\/mark>;\r\n\r\n\/\/ Access\r\nalert(c);    \/\/ khaki\r\nalert(color) \/\/ red, gold, olive, beige\r\n\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-959\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array05.png\" alt=\"\" width=\"516\" height=\"300\" \/><\/p>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>shift( )<\/mark><\/h3>\n<p>\u0627\u0648\u0644\u06cc\u0646 \u0627\u0644\u0645\u0646\u062a \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Count\r\nalert(color.length);    \/\/ 5\r\n\r\n\/\/ Add element\r\nlet c = <mark>color.shift()<\/mark>;\r\n\r\n\/\/ Access\r\nalert(c);    \/\/ red\r\nalert(color) \/\/ gold, olive, beige, khaki\r\n\r\n<\/code><\/pre>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-960\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array06.png\" \/><\/p>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>unshift(elm1, elm2, &#8230;)<\/mark><\/h3>\n<p>\u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u0627\u0644\u0645\u0646\u062a \u0628\u0647 \u0627\u0628\u062a\u062f\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0645\u06cc\u200c\u0627\u0641\u0632\u0627\u06cc\u062f. \u0648 \u062a\u0639\u062f\u0627\u062f \u062c\u062f\u06cc\u062f \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\"];\r\n\r\n\/\/ Count\r\nalert(color.length);    \/\/ 5\r\n\r\n\/\/ Add element\r\nlet n = <mark>color.unshift(\"lime\")<\/mark>;\r\n\r\n\/\/ Access\r\nalert(n);    \/\/ 6\r\nalert(color) \/\/ lime, red, gold, olive, beige, khaki\r\n\r\n<\/code><\/pre>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-961\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/array07.png\" \/><\/p>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>splice(start, delCount, elm1, elm2, &#8230;)<\/mark><\/h3>\n<p>\u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u0627\u0644\u0645\u0646\u062a \u062f\u0631 \u0645\u06cc\u0627\u0646 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0630\u0641 \u06cc\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u062d\u0630\u0641 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<div class=\"code-header\">1.<\/div>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color1 = [\"red\", \"gold\", \"olive\", <mark>\"beige\", \"khaki\", \"lime\"<\/mark>];\r\n\r\n\/\/ Splice\r\nlet color2 = <mark>color1.splice(3)<\/mark>;\r\n\r\n\/\/ Access\r\nalert(color1);    \/\/ red, gold, olive\r\nalert(color2);    \/\/ beige, khaki, lime\r\n\r\n<\/code><\/pre>\n<div class=\"code-header\">2.<\/div>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color1 = [\"red\", \"gold\", \"olive\", <mark>\"beige\", \"khaki\",<\/mark> \"lime\"];\r\n\r\n\/\/ Splice\r\nlet color2 = <mark>color1.splice(3,2)<\/mark>;\r\n\r\n\/\/ Access\r\nalert(color1);    \/\/ red, gold, olive, lime\r\nalert(color2);    \/\/ beige, khaki\r\n\r\n<\/code><\/pre>\n<div class=\"code-header\">3.<\/div>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color1 = [\"red\", \"gold\", \"olive\", <mark>\"beige\", \"khaki\",<\/mark> \"lime\"];\r\n\r\n\/\/ Splice\r\nlet color2 = <mark>color1.splice(3,2, \"pink\", \"blue\", \"tan\")<\/mark>;\r\n\r\n\/\/ Access\r\nalert(color1);    \/\/ red, gold, olive, pink, blue, tan, lime\r\nalert(color2);    \/\/ beige, khaki\r\n\r\n<\/code><\/pre>\n<div class=\"code-header\">4.<\/div>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color1 = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\", \"lime\"];\r\n\r\n\/\/ Splice\r\nlet color2 = <mark>color1.splice(3, 0, \"pink\", \"tan\")<\/mark>;\r\n\r\n\/\/ Access\r\nalert(color1);  \/\/ red, gold, olive, pink, tan, beige, khaki, lime\r\nalert(color2);  \/\/ []\r\n\r\n<\/code><\/pre>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>concat(arrX, arrY, &#8230;)<\/mark><\/h3>\n<p>\u062f\u0648 \u06cc\u0627 \u0686\u0646\u062f \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0646\u062f \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [];\r\nlet color1 = [\"red\", \"gold\", \"olive\"];\r\nlet color2 = [\"beige\", \"khaki\", \"lime\"];\r\n\r\ncolor = <mark>color1.concat(color2)<\/mark>;\r\n\r\n\/\/ Access\r\nalert(color1);    \/\/ red, gold, olive\r\nalert(color2);    \/\/ beige, khaki, lime\r\nalert(color);    \/\/ red, gold, olive, beige, khaki, lime\r\n\r\n<\/code><\/pre>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>sort( )<\/mark><\/h3>\n<p>\u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0627\u0644\u0641\u0628\u0627\u060c \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0648 \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet color = [\"red\", \"gold\", \"olive\", \"beige\", \"khaki\", \"lime\"];\r\n\r\n<mark>color.sort();<\/mark>\r\n\r\n\/\/ Report\r\nalert(color);  \/\/ beige, gold, khaki, lime, olive, red\r\n\r\n<\/code><\/pre>\n<hr \/>\n<h3 dir=\"ltr\">arr.sort(<mark>function(a, b) {&#8230;}<\/mark>)<\/h3>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f sort \u0628\u062f\u0648\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u060c \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0627\u0644\u0641\u0628\u0627 \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u06af\u0631 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0639\u062f\u062f \u06cc\u0627 \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u06af\u0631\u06cc \u0628\u062e\u0648\u0627\u0647\u06cc\u062f sort \u06a9\u0646\u06cc\u062f\u061b \u0628\u0627\u06cc\u062f \u0627\u0632 \u06cc\u06a9 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0631\u0627 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u067e\u0633 \u0627\u0632 \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u0648\u06cc \u0622\u0646\u0647\u0627\u060c \u06cc\u06a9 \u0639\u062f\u062f \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0645\u062b\u0628\u062a \u06cc\u0627 \u0645\u0646\u0641\u06cc \u0628\u0648\u062f\u0646 \u0622\u0646 \u0639\u062f\u062f \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u06a9\u062f\u0627\u0645\u06cc\u06a9 \u0627\u0632 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0627\u06cc\u062f \u0642\u0628\u0644 \u0627\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<ul>\n<li>\u0627\u06af\u0631 function(a, b) &lt; 0 \u0628\u0648\u062f\u061b a \u0642\u0628\u0644 \u0627\u0632 b<\/li>\n<li>\u0627\u06af\u0631 function(a, b) = 0 \u0628\u0648\u062f\u061b \u062c\u0627\u06cc a \u0648 b \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<li>\u0627\u06af\u0631 function(a, b) &gt; 0 \u0628\u0648\u062f\u061b a \u0628\u0639\u062f \u0627\u0632 b<\/li>\n<\/ul>\n<p>\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u0631\u0627 \u0627\u0632 \u06a9\u0648\u0686\u06a9 \u0628\u0647 \u0628\u0632\u0631\u06af sort \u06a9\u0646\u06cc\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0627\u06cc\u06cc\u062f.<\/p>\n<pre><code class=\"js\">\r\nconst compare = function(a, b) {\r\n\r\n  if (a &lt; b) { return -1; }\r\n\r\n  if (a &gt; b) { return 1;  }\r\n\r\n  \/\/ a = b\r\n  return 0;\r\n}\r\n\r\n\/\/ Short form\r\nconst compare = function(a, b) {\r\n  return a - b;\r\n}\r\n\r\n\/\/ Arrow form\r\nconst compare = (a, b) =&gt; a - b;\r\n\r\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0633\u062a\u0642\u06cc\u0645\u0627 \u062f\u0631 sort \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet num = [4, 2, 5, 1, 3];\r\n\r\n<mark>num.sort((a, b) =&gt; a - b);<\/mark>\r\n\r\n\/\/ Report\r\nalert(num);  \/\/ 1, 2, 3, 4, 5\r\n\r\n<\/code><\/pre>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>filter(function(value, index) {&#8230;})<\/mark><\/h3>\n<p>\u0628\u0627 \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062a\u0633\u062a \u0631\u0627 \u067e\u0627\u0633 \u06a9\u0646\u0646\u062f\u060c \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0645\u06cc \u0633\u0627\u0632\u062f.<\/p>\n<ul>\n<li>\u0645\u062a\u062f filter \u06cc\u06a9 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/li>\n<li>\u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u0627\u0648\u0644\u06cc \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0645\u0646\u062a \u0648 \u062f\u0648\u0645\u06cc \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0622\u0646.<\/li>\n<li>\u0628\u0627\u06cc\u062f \u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0645\u0642\u062f\u0627\u0631 true \u06cc\u0627 false \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n<\/ul>\n<p>\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u0641\u0631\u062f \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet num = [4, 2, 5, 1, 3];\r\n\r\nlet result = <mark>num.filter(val =&gt; val % 2 == 0)<\/mark>;\r\n\r\n\/\/ Report\r\nalert(result);  \/\/ 4, 2\r\n\r\n<\/code><\/pre>\n<hr \/>\n<h3 dir=\"ltr\">arr.<mark>map(function(value, index) {&#8230;})<\/mark><\/h3>\n<p>\u06cc\u06a9 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0631\u0627 \u0631\u0648\u06cc \u0647\u0645\u0647 \u0627\u0644\u0645\u0646\u062a\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0622\u0631\u0627\u06cc\u0647\u0654 \u062c\u062f\u06cc\u062f \u0645\u06cc\u200c\u0633\u0627\u0632\u062f.<\/p>\n<ul>\n<li>\u0645\u062a\u062f map \u06cc\u06a9 \u0641\u0627\u0646\u06a9\u0634\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/li>\n<li>\u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u0627\u0648\u0644\u06cc \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0645\u0646\u062a \u0648 \u062f\u0648\u0645\u06cc \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0622\u0646.<\/li>\n<li>\u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0627\u06cc\u0646 \u0641\u0627\u0646\u06a9\u0634\u0646 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/li>\n<\/ul>\n<p>\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0645\u0642\u062f\u0627\u0631 \u0647\u0631 \u0627\u0644\u0645\u0646\u062a\u200c \u0631\u0627 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<pre><code class=\"js\">\r\n\/\/ Declare &amp; Assignment\r\nlet num = [4, 2, 5, 1, 3];\r\n\r\nlet result = <mark>num.map(val =&gt; val * 2)<\/mark>;\r\n\r\n\/\/ Report\r\nalert(result);  \/\/ 8, 4, 10, 2, 6\r\n\r\n<\/code><\/pre>\n<h4>\u062a\u0645\u0631\u06cc\u0646 \u06f1<\/h4>\n<ul>\n<li>\u0627\u06cc\u0646 <a href=\"https:\/\/behnudi.ir\/f\/js1\/11\/11-1.zip\">\u0641\u0627\u06cc\u0644<\/a>\u00a0\u0631\u0627 \u062f\u0627\u0646\u0644\u0648\u062f \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0622\u0646 \u0631\u0627 \u062f\u0631 \u0641\u0648\u0644\u062f\u0631 js1 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u062a\u0646\u0647\u0627 \u0641\u0627\u06cc\u0644 script.js \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f.<\/li>\n<li>\u0627\u0628\u062a\u062f\u0627 \u062a\u0639\u062f\u0627\u062f\u06cc \u0639\u062f\u062f \u0631\u0627 \u0628\u06af\u06cc\u0631\u062f \u0633\u067e\u0633 \u0645\u06cc\u0627\u0646\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u06af\u0632\u0627\u0631\u0634 \u06a9\u0646\u062f. (\u062a\u0639\u062f\u0627\u062f \u0627\u0639\u062f\u0627\u062f \u0627\u0632 \u067e\u06cc\u0634 \u0645\u0639\u0644\u0648\u0645 \u0646\u06cc\u0633\u062a.)<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/behnudi.ir\/f\/js1\/11\/img\/11-01.png\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0622\u0631\u0627\u06cc\u0647 (Array) \u0686\u0646\u062f\u06cc\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0627 \u06cc\u06a9 \u0646\u0627\u0645 \u0627\u0633\u062a. \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062f\u0631\u0648\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0627 \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u06cc\u0646\u062f\u06a9\u0633 (Index) \u0645\u06cc\u200c\u06af\u0648\u06cc\u06cc\u0645\u061b \u0627\u0632 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0645\u062a\u0645\u0627\u06cc\u0632 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062f\u0631\u0648\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0627\u0650\u0644\u0645\u0646\u062a\u200c\u060c \u0645\u06cc\u200c\u0646\u0627\u0645\u0646\u062f. \u0642\u0648\u0627\u0639\u062f \u0646\u0627\u0645 \u06af\u0630\u0627\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0642\u0648\u0627\u0639\u062f \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0647\u0645\u0627\u0646\u0646\u062f \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a. \u0627\u06cc\u0646\u062f\u06a9\u0633 \u062f\u0631\u0648\u0646 [&#8230;] \u0628\u0650\u0631\u064e\u06a9\u0650\u062a Square Bracket \u0646\u0648\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646\u062f\u06a9\u0633 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1530,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[46,44],"class_list":["post-1577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computer-science","tag-javascript","tag-web-design"],"_links":{"self":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/posts\/1577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1577"}],"version-history":[{"count":0,"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/posts\/1577\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/media\/1530"}],"wp:attachment":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}