{"id":15439,"date":"2024-01-12T10:34:06","date_gmt":"2024-01-12T07:04:06","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%b1%d9%88%d8%b4-%da%af%d8%b1%d8%af-%da%a9%d8%b1%d8%af%d9%86-%d8%af%d9%88-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-%d8%b4%d9%86%d8%a7%d9%88%d8%b1-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9\/"},"modified":"2024-01-12T10:34:06","modified_gmt":"2024-01-12T07:04:06","slug":"%d8%b1%d9%88%d8%b4-%da%af%d8%b1%d8%af-%da%a9%d8%b1%d8%af%d9%86-%d8%af%d9%88-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-%d8%b4%d9%86%d8%a7%d9%88%d8%b1-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%da%af%d8%b1%d8%af-%da%a9%d8%b1%d8%af%d9%86-%d8%af%d9%88-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-%d8%b4%d9%86%d8%a7%d9%88%d8%b1-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9\/","title":{"rendered":"\u0631\u0648\u0634 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \/ \u0634\u0646\u0627\u0648\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0644\u0648\u0647\u0627 \u0648 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0647\u0633\u062a\u0646\u062f &#8211; \u0627\u0639\u062f\u0627\u062f \u0628\u0627 \u0627\u0639\u0634\u0627\u0631.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0645\u062d\u06cc\u0637 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u06a9\u0627\u0645\u0644 \u06af\u0631\u062f \u06a9\u0646\u06cc\u0645 &#8211; \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06a9\u0627\u0645\u0644\u060c \u0628\u0627\u0644\u0627 \u06cc\u0627 \u067e\u0627\u06cc\u06cc\u0646.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0645\u0627 &#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-%da%af%d8%b1%d8%af-%da%a9%d8%b1%d8%af%d9%86-%d8%af%d9%88-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-%d8%b4%d9%86%d8%a7%d9%88%d8%b1-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%b1%d9%88%d8%b4-%da%af%d8%b1%d8%af-%da%a9%d8%b1%d8%af%d9%86-%d8%af%d9%88-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-%d8%b4%d9%86%d8%a7%d9%88%d8%b1-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9\/#%d8%a7%db%8c%d9%86_%d8%b1%db%8c%d8%a7%d8%b6%db%8c_%d9%87%d8%af%d9%81_%e2%80%93_%d8%b4%db%8c\" >\u0627\u06cc\u0646 \u0631\u06cc\u0627\u0636\u06cc \u0647\u062f\u0641 &#8211; \u0634\u06cc<\/a><\/li><\/ul><\/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-%da%af%d8%b1%d8%af-%da%a9%d8%b1%d8%af%d9%86-%d8%af%d9%88-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-%d8%b4%d9%86%d8%a7%d9%88%d8%b1-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9\/#%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\"> 2<\/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>\u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u0648 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0647\u0633\u062a\u0646\u062f &#8211; \u0627\u0639\u062f\u0627\u062f \u0628\u0627 \u0627\u0639\u0634\u0627\u0631.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0627\u0633\u062a <em>\u062e\u06cc\u0644\u06cc<\/em> \u0628\u0633\u062a\u0647 \u0628\u0647 \u0645\u062d\u06cc\u0637 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0645\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 <em>\u06af\u0631\u062f<\/em> \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u06a9\u0627\u0645\u0644 &#8211; \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d\u060c \u0628\u0627\u0644\u0627 \u06cc\u0627 \u067e\u0627\u06cc\u06cc\u0646.<\/p>\n<blockquote>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0648\u0634 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u0627\u0639\u062f\u0627\u062f \u0645\u0636\u0627\u0639\u0641\/ \u0634\u0646\u0627\u0648\u0631 (\u0627\u0632 \u062c\u0645\u0644\u0647 \u0631\u0634\u062a\u0647 \u0647\u0627) \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. <code>Math<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.<\/p>\n<\/blockquote>\n<h3 id=\"themathobject\"><span class=\"ez-toc-section\" id=\"%d8%a7%db%8c%d9%86_%d8%b1%db%8c%d8%a7%d8%b6%db%8c_%d9%87%d8%af%d9%81_%e2%80%93_%d8%b4%db%8c\"><\/span>\u0627\u06cc\u0646 <em>\u0631\u06cc\u0627\u0636\u06cc<\/em> \u0647\u062f\u0641 &#8211; \u0634\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 <code>Math<\/code> \u0634\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u06cc\u0627\u0636\u06cc \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 <code>Math<\/code> \u0634\u06cc \u06cc\u06a9 \u0634\u06cc \u062f\u0627\u062e\u0644\u06cc \u0627\u0633\u062a\u0627\u062a\u06cc\u06a9 \u0627\u0633\u062a\u060c \u0634\u0645\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0648 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0622\u0646 \u0646\u062f\u0627\u0631\u06cc\u062f &#8211; \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0647\u0631 \u0646\u0642\u0637\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u06cc\u0633\u062a\u0627 \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627\u06cc \u06a9\u0645\u06a9\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0631\u062f.  \u062f\u0627\u0631\u0627\u06cc \u0627\u0646\u0628\u0648\u0647\u06cc \u0627\u0632 \u062b\u0627\u0628\u062a\u200c\u0647\u0627 \u0648 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u0631\u06cc\u0627\u0636\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645 <code>Math<\/code> \u0631\u0648\u0634 \u0647\u0627\u06cc \u0645\u0641\u06cc\u062f \u0634\u06cc \u0628\u0631\u0627\u06cc \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u062f\u0648\u062a\u0627\u06cc\u06cc \u0647\u0627\/ \u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a!<\/p>\n<h4 id=\"mathround\"><em>Math.round()<\/em><\/h4>\n<p><code>Math.round()<\/code>  \u062a\u0627\u0628\u0639\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9 \u0639\u062f\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u06af\u0631\u062f \u0634\u062f\u0647 \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0633\u062a\u0647 \u0628\u0647 \u0631\u0648\u06cc \u0634\u0646\u0627\u0648\u0631\/\u062f\u0648\u0628\u0644 \u0639\u0631\u0636\u0647 \u0634\u062f\u0647\u060c <code>Math.round()<\/code> \u06cc\u0627 \u0628\u0647 \u0633\u0645\u062a \u0628\u0627\u0644\u0627 \u06cc\u0627 \u067e\u0627\u06cc\u06cc\u0646 \u06af\u0631\u062f \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0639\u062f\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0628\u0627\u0644\u0627\u062a\u0631 \u06cc\u0627 \u0645\u0633\u0627\u0648\u06cc \u0628\u0627\u0634\u062f <code>x.5<\/code> &#8211; \u06af\u0631\u062f \u0627\u0633\u062a <em>\u0628\u0627\u0644\u0627<\/em> \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d  \u0627\u06af\u0631 \u0639\u062f\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0627\u0634\u062f <code>x.5<\/code>\u060c \u06af\u0631\u062f \u0634\u062f\u0647 \u0627\u0633\u062a <em>\u067e\u0627\u06cc\u06cc\u0646<\/em> \u0628\u0647 \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">Math<\/span>.round(<span class=\"hljs-number\">24.49<\/span>); <span class=\"hljs-comment\">\/\/ 24<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.round(<span class=\"hljs-string\">'29.5'<\/span>); <span class=\"hljs-comment\">\/\/ 30<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.round(<span class=\"hljs-number\">72<\/span>); <span class=\"hljs-comment\">\/\/ 72<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.round(-<span class=\"hljs-number\">40.51<\/span>); <span class=\"hljs-comment\">\/\/ -41<\/span>\n<\/code><\/pre>\n<h4 id=\"mathfloor\"><em>Math.floor()<\/em><\/h4>\n<p>\u0627\u06cc\u0646 <code>Math.floor()<\/code> \u0645\u062a\u062f \u0628\u0631\u0627\u06cc \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06a9\u0647 \u06a9\u0645\u062a\u0631 \u06cc\u0627 \u0645\u0633\u0627\u0648\u06cc \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0645\u0634\u062e\u0635 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0628\u0647 \u0632\u0628\u0627\u0646 \u0639\u0627\u0645\u06cc\u0627\u0646\u0647\u060c <code>floor()<\/code> \u0645\u062a\u062f \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u06af\u0631\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">Math<\/span>.floor(<span class=\"hljs-number\">75.95<\/span>); <span class=\"hljs-comment\">\/\/  75<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.floor(<span class=\"hljs-number\">75.05<\/span>); <span class=\"hljs-comment\">\/\/  75<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.floor(<span class=\"hljs-number\">4<\/span>); <span class=\"hljs-comment\">\/\/   4<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.floor(<span class=\"hljs-string\">'-65.05'<\/span>); <span class=\"hljs-comment\">\/\/ -66<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.floor(-<span class=\"hljs-number\">65.95<\/span>); <span class=\"hljs-comment\">\/\/ -66<\/span>\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><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> <code>Math.floor(null)<\/code>  0 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f \u0646\u0647 a <code>NaN<\/code> \u062e\u0637\u0627<\/p>\n<\/p><\/div><\/div><\/div>\n<h4 id=\"mathceil\"><em>Math.ceil()<\/em><\/h4>\n<p>\u0627\u06cc\u0646 <code>Math.ceil()<\/code> \u0631\u0648\u0634 \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u062a\u0627 \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06af\u0631\u062f \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647\u060c \u0628\u0631\u0627\u06cc \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0639\u062f\u062f \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0635\u062d\u06cc\u062d \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">Math<\/span>.ceil(<span class=\"hljs-number\">0.95<\/span>);    <span class=\"hljs-comment\">\/\/ 1<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.ceil(<span class=\"hljs-number\">7<\/span>);      <span class=\"hljs-comment\">\/\/ 7<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.ceil(<span class=\"hljs-string\">'9.008'<\/span>);  <span class=\"hljs-comment\">\/\/ 10<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.ceil(-<span class=\"hljs-number\">0.95<\/span>);  <span class=\"hljs-comment\">\/\/ -0<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.ceil(-<span class=\"hljs-number\">7<\/span>);     <span class=\"hljs-comment\">\/\/ -7<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.ceil(-<span class=\"hljs-number\">9.008<\/span>); <span class=\"hljs-comment\">\/\/ -10<\/span>\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><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> <code>Math.ceil(null)<\/code>  \u0639\u062f\u062f \u0635\u062d\u06cc\u062d 0 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f \u0648 a \u0646\u0645\u06cc \u062f\u0647\u062f <code>NaN<\/code> \u062e\u0637\u0627<\/p>\n<\/p><\/div><\/div><\/div>\n<h4 id=\"mathtrunc\"><em>Math.trunc()<\/em><\/h4>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u06a9\u0648\u062a\u0627\u0647 \u06a9\u0631\u062f\u0646 \u0646\u06cc\u0633\u062a <em>\u06af\u0631\u062f \u06a9\u0631\u062f\u0646<\/em> &#8211; \u0634\u0627\u06cc\u0627\u0646 \u0630\u06a9\u0631 \u0627\u0633\u062a <code>Math.trunc()<\/code> \u0631\u0648\u0634.  \u06a9\u0644 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0631\u0627 \u0628\u0631 \u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <em>\u06a9\u0648\u062a\u0627\u0647 \u06a9\u0631\u062f\u0646<\/em> (\u0642\u0637\u0639 \u06a9\u0631\u062f\u0646) \u062f\u0642\u062a \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631\u060c \u0635\u0631\u0641 \u0646\u0638\u0631 \u0627\u0632 \u0645\u062b\u0628\u062a \u06cc\u0627 \u0645\u0646\u0641\u06cc \u0628\u0648\u062f\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">Math<\/span>.trunc(<span class=\"hljs-number\">38.37<\/span>);    <span class=\"hljs-comment\">\/\/ 38<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc(<span class=\"hljs-number\">72.84<\/span>);    <span class=\"hljs-comment\">\/\/ 72<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc(<span class=\"hljs-number\">0.123<\/span>);    <span class=\"hljs-comment\">\/\/  0<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc(-<span class=\"hljs-number\">0.13323<\/span>);   <span class=\"hljs-comment\">\/\/ -0<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc(<span class=\"hljs-string\">'-1.18923'<\/span>); <span class=\"hljs-comment\">\/\/ -1<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc(<span class=\"hljs-literal\">NaN<\/span>);      <span class=\"hljs-comment\">\/\/ NaN<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc(<span class=\"hljs-string\">'john'<\/span>);    <span class=\"hljs-comment\">\/\/ NaN<\/span>\n<span class=\"hljs-built_in\">Math<\/span>.trunc();         <span class=\"hljs-comment\">\/\/ NaN<\/span>\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>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u06a9\u0648\u062a\u0627\u0647\u060c \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0631\u0648\u0634 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 double\/float \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0627 \u06a9\u0645\u06a9 <code>Math.round()<\/code>\u060c <code>Math.floor()<\/code>\u060c <code>Math.ceil()<\/code> \u0648 <code>Math.trunc()<\/code>.<\/p>\n<\/div>\n<p><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-12 10:34:03<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;15439&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 \u06af\u0631\u062f \u06a9\u0631\u062f\u0646 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631 \\\/ \u0634\u0646\u0627\u0648\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0641\u0644\u0648\u0647\u0627 \u0648 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0647\u0633\u062a\u0646\u062f - \u0627\u0639\u062f\u0627\u062f \u0628\u0627 \u0627\u0639\u0634\u0627\u0631.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0645\u062d\u06cc\u0637 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a \u0631\u0648\u06cc \u0628\u0631\u0627\u06cc \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u06a9\u0627\u0645\u0644 \u06af\u0631\u062f \u06a9\u0646\u06cc\u0645 - \u0646\u0632\u062f\u06cc\u06a9\u062a\u0631\u06cc\u0646 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06a9\u0627\u0645\u0644\u060c \u0628\u0627\u0644\u0627 \u06cc\u0627 \u067e\u0627\u06cc\u06cc\u0646.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0645\u0627 ...&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\"> 2<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u0634\u0646\u0627\u0648\u0631\u0647\u0627 \u0648 \u062f\u0648 \u0628\u0631\u0627\u0628\u0631\u0647\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u0627\u0639\u062f\u0627\u062f \u0645\u0645\u06cc\u0632 \u0634\u0646\u0627\u0648\u0631 \u0647\u0633\u062a\u0646\u062f &#8211; 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