{"id":31802,"date":"2023-07-24T16:38:22","date_gmt":"2023-07-24T13:08:22","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/what-is-truthy-and-falsy-in-javascript-p3e\/"},"modified":"2023-07-24T16:38:22","modified_gmt":"2023-07-24T13:08:22","slug":"what-is-truthy-and-falsy-in-javascript-p3e","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/what-is-truthy-and-falsy-in-javascript-p3e\/","title":{"rendered":"Truthy \u0648 Falsy \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f"},"content":{"rendered":"<div data-article-id=\"1547189\" id=\"article-body\">\n<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c &#8220;truthy&#8221; \u0648 &#8220;falsy&#8221; \u0627\u0635\u0637\u0644\u0627\u062d\u0627\u062a\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a\u200c\u0647\u0627\u06cc \u062e\u0627\u0635 \u062f\u0631\u0633\u062a \u06cc\u0627 \u0646\u0627\u062f\u0631\u0633\u062a \u062a\u0644\u0642\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<p>\u0627\u0631\u0632\u0634 \u062d\u0642\u06cc\u0642\u062a \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0627\u0631\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631\u0633\u062a \u0645\u06cc \u0628\u06cc\u0646\u062f.  \u0627\u06af\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0634\u062e\u0635 \u0628\u0648\u062f \u0648 \u0627\u0632 \u0622\u0646 \u0645\u06cc \u067e\u0631\u0633\u06cc\u062f: &#8220;\u0622\u06cc\u0627 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f&#8221;  \u0648 \u0686\u06cc\u0632\u06cc \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u0627\u0642\u0639\u06cc \u0628\u0648\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u06cc\u200c\u06af\u0641\u062a: \u00ab\u0628\u0644\u0647\u00bb.<\/p>\n<p>\u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u06a9\u0627\u0630\u0628 \u0628\u0631\u0639\u06a9\u0633 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0627\u0631\u062f \u0646\u0627\u062f\u0631\u0633\u062a \u0645\u06cc \u0628\u06cc\u0646\u062f.  \u0627\u06af\u0631 \u0627\u0632 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u067e\u0631\u0633\u06cc\u062f &#8220;\u0622\u06cc\u0627 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f&#8221;  \u0648 \u0686\u06cc\u0632\u06cc \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0646\u0627\u062f\u0631\u0633\u062a \u0628\u0648\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u06cc\u200c\u06af\u0641\u062a: &#8220;\u0646\u0647.&#8221;<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p>\u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u062f\u0631\u0633\u062a (\u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u062f\u0631\u0633\u062a \u062f\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f):<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>false itself\n0 (the number zero)\n\"\" (an empty string)\nnull (a special value meaning \"nothing\")\nundefined (a special value meaning \"this thing doesn't exist\")\nNaN (a special value meaning \"Not a Number\")\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0647\u0631 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0631\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631\u0633\u062a \u0627\u0633\u062a.  \u06cc\u0639\u0646\u06cc \u0627\u06af\u0631 \u062f\u0631 \u0644\u06cc\u0633\u062a \u0628\u0627\u0644\u0627 \u0646\u0628\u0627\u0634\u062f\u060c \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0622\u0646 \u0631\u0627 \u062f\u0631\u0633\u062a \u0645\u06cc\u200c\u062f\u0627\u0646\u062f.  \u0686\u0646\u062f \u0646\u0645\u0648\u0646\u0647 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<p>\u0627\u0631\u0632\u0634\u200c\u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc (\u0627\u06cc\u0646\u200c\u0647\u0627 \u062f\u0631\u0633\u062a \u062f\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f):<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>Any number that isn't zero (like 1, -1, 100, 0.5, etc.)\nAny non-empty string (like \"hello\", \"false\", \"0\", etc.)\nArrays (like [] or [1, 2, 3])\nObjects (like {} or {name: 'John', age: 30})\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u0642\u0637 \u0632\u0645\u0627\u0646\u06cc \u062f\u0631\u0633\u062a \u06cc\u0627 \u0646\u0627\u062f\u0631\u0633\u062a \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f \u06a9\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u062f\u0633\u062a\u0648\u0631 if.  \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u060c \u0627\u06cc\u0646 \u0627\u0631\u0632\u0634 \u0647\u0627 \u0641\u0642\u0637 \u062e\u0648\u062f\u0634\u0627\u0646 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0645\u0645\u0646\u0648\u0646 \u06a9\u0647 \u062e\u0648\u0627\u0646\u062f\u06cc\u062f\u060c \u0644\u0637\u0641\u0627\u064b \u0645\u0646 \u0631\u0627 \u062f\u0631 \u062a\u0648\u06cc\u06cc\u062a\u0631 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f\u060c \u0645\u0646 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0638\u0645 \u0645\u0637\u0627\u0644\u0628\u06cc \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0645\u06cc \u06af\u0630\u0627\u0631\u0645\u060c \u0648 React \u0648 \u0645\u0634\u0627\u0631\u06a9\u062a \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u0645\u0646\u0628\u0639 \u0628\u0627\u0632<\/p>\n<p>\u062a\u0648\u06cc\u06cc\u062a\u0631-<a href=\"https:\/\/twitter.com\/Diwakar_766\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/twitter.com\/Diwakar_766<\/a><\/p>\n<p>Github-https:\/\/github.com\/DIWAKARKASHYAP<\/p>\n<\/p><\/div>\n<p><script async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c &#8220;truthy&#8221; \u0648 &#8220;falsy&#8221; \u0627\u0635\u0637\u0644\u0627\u062d\u0627\u062a\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0648\u0635\u06cc\u0641 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a\u200c\u0647\u0627\u06cc \u062e\u0627\u0635 \u062f\u0631\u0633\u062a \u06cc\u0627 \u0646\u0627\u062f\u0631\u0633\u062a \u062a\u0644\u0642\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0627\u0631\u0632\u0634 \u062d\u0642\u06cc\u0642\u062a \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0627\u0631\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631\u0633\u062a \u0645\u06cc \u0628\u06cc\u0646\u062f. \u0627\u06af\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u06cc\u06a9 \u0634\u062e\u0635 \u0628\u0648\u062f \u0648 \u0627\u0632 \u0622\u0646 \u0645\u06cc \u067e\u0631\u0633\u06cc\u062f: &#8220;\u0622\u06cc\u0627 \u0627\u06cc\u0646 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":31803,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-31802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/31802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=31802"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/31802\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/31803"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=31802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=31802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=31802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}