{"id":144737,"date":"2025-04-04T13:07:39","date_gmt":"2025-04-04T07:37:39","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=144737"},"modified":"2025-04-04T13:07:39","modified_gmt":"2025-04-04T07:37:39","slug":"javascript-array-methods-part-1","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/","title":{"rendered":"JavaScript Array Methods Part &#8211; 1"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Array  methods in Java Script\r\n\"use strict\"\r\nconst ps=require(\"prompt-sync\")\r\nconst prompt=ps({sigint:true})\r\n\r\nlet city=[\"indore\",\"agra\",\"bhopal\",\"delhi\",\"bhopal\",\"mumbai\",\"bhopal\",\"Ujjain\",\"Raipur\"]\r\n\r\nconsole.log(city.indexOf(\"bhopal\"))\r\nconsole.log(city.includes(\"bhopal\"))\r\n\r\n\/\/ let city1=[\"indore\",\"agra\",\"bhopal\"]\r\n\/\/ let city2=[\"delhi\",\"mumbai\",\"Ujjain\",\"Raipur\"]\r\n\/\/ let city3=[]\r\n\/\/ city3=city3.concat(city1,city2)          \r\n\/\/ for(let i=0;i&lt;city3.length;i++)\r\n\/\/     console.log(city3.at(i))\r\n\r\n\r\n          \/\/  for(let i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n\/\/ console.log(\"-----------------------------------\")\r\n\/\/     city.join(\"*\")\r\n\/\/ for(let i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n         \r\n\r\n\r\n          \r\n\/\/ for(let i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n\/\/ console.log(\"-----------------------------------\")\r\n\/\/ city.splice(2,1,\"ABCD\",\"XYZ\")\r\n\r\n\/\/ for(let i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n\r\n\r\n\r\n\r\n\/\/ for(let i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n\r\n\/\/ let newarray=city.slice(2,6)\r\n\r\n\/\/ console.log(newarray)\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\/\/ let city=[\"indore\",\"agra\",\"bhopal\",\"delhi\",\"mumbai\"]\r\n\/\/ let i\r\n\r\n\/\/ for(i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n\r\n\/\/ city.pop()\r\n\r\n\/\/ console.log(\"---------------------------\")\r\n\/\/ for(i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city.at(i))\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\/\/ for(i=0;i&lt;city.length;i++)\r\n\/\/     console.log(city[i])\r\n\/\/ city.forEach(element =&gt; \r\n\/\/     {\r\n\/\/       console.log(element)\r\n\/\/   });<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ Array methods in Java Script &#8220;use strict&#8221; const ps=require(&#8220;prompt-sync&#8221;) const prompt=ps({sigint:true}) let city=[&#8220;indore&#8221;,&#8221;agra&#8221;,&#8221;bhopal&#8221;,&#8221;delhi&#8221;,&#8221;bhopal&#8221;,&#8221;mumbai&#8221;,&#8221;bhopal&#8221;,&#8221;Ujjain&#8221;,&#8221;Raipur&#8221;] console.log(city.indexOf(&#8220;bhopal&#8221;)) console.log(city.includes(&#8220;bhopal&#8221;)) \/\/ let city1=[&#8220;indore&#8221;,&#8221;agra&#8221;,&#8221;bhopal&#8221;] \/\/ let city2=[&#8220;delhi&#8221;,&#8221;mumbai&#8221;,&#8221;Ujjain&#8221;,&#8221;Raipur&#8221;] \/\/ let city3=[] \/\/ city3=city3.concat(city1,city2) \/\/ for(let i=0;i&lt;city3.length;i++) \/\/ console.log(city3.at(i))&#46;&#46;&#46;<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18979],"tags":[20676,7758,20779,31621,31622,33970,18980],"class_list":["post-144737","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-array-methods-in-javascript","tag-javascript","tag-javascript-array-methods","tag-javascript-practical","tag-javascript-program","tag-javascript-program-on-array-methods","tag-javascript-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>JavaScript Array Methods Part - 1 - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JavaScript Array Methods Part - 1 - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Array methods in Java Script &quot;use strict&quot; const ps=require(&quot;prompt-sync&quot;) const prompt=ps({sigint:true}) let city=[&quot;indore&quot;,&quot;agra&quot;,&quot;bhopal&quot;,&quot;delhi&quot;,&quot;bhopal&quot;,&quot;mumbai&quot;,&quot;bhopal&quot;,&quot;Ujjain&quot;,&quot;Raipur&quot;] console.log(city.indexOf(&quot;bhopal&quot;)) console.log(city.includes(&quot;bhopal&quot;)) \/\/ let city1=[&quot;indore&quot;,&quot;agra&quot;,&quot;bhopal&quot;] \/\/ let city2=[&quot;delhi&quot;,&quot;mumbai&quot;,&quot;Ujjain&quot;,&quot;Raipur&quot;] \/\/ let city3=[] \/\/ city3=city3.concat(city1,city2) \/\/ for(let i=0;i&lt;city3.length;i++) \/\/ console.log(city3.at(i))&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-04T07:37:39+00:00\" \/>\n<meta name=\"author\" content=\"DataFlair Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"DataFlair Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"JavaScript Array Methods Part - 1 - DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/","og_locale":"en_US","og_type":"article","og_title":"JavaScript Array Methods Part - 1 - DataFlair","og_description":"Program 1 \/\/ Array methods in Java Script \"use strict\" const ps=require(\"prompt-sync\") const prompt=ps({sigint:true}) let city=[\"indore\",\"agra\",\"bhopal\",\"delhi\",\"bhopal\",\"mumbai\",\"bhopal\",\"Ujjain\",\"Raipur\"] console.log(city.indexOf(\"bhopal\")) console.log(city.includes(\"bhopal\")) \/\/ let city1=[\"indore\",\"agra\",\"bhopal\"] \/\/ let city2=[\"delhi\",\"mumbai\",\"Ujjain\",\"Raipur\"] \/\/ let city3=[] \/\/ city3=city3.concat(city1,city2) \/\/ for(let i=0;i&lt;city3.length;i++) \/\/ console.log(city3.at(i))&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2025-04-04T07:37:39+00:00","author":"DataFlair Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"DataFlair Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/"},"author":{"name":"DataFlair Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/c187795dc82ab948373cca526df7c445"},"headline":"JavaScript Array Methods Part &#8211; 1","datePublished":"2025-04-04T07:37:39+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/"},"wordCount":7,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["Array Methods in JavaScript","JavaScript","JavaScript Array Methods","javascript practical","javascript program","javascript program on array methods","JavaScript Tutorial"],"articleSection":["JavaScript Tutorial"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/","url":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/","name":"JavaScript Array Methods Part - 1 - DataFlair","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/#website"},"datePublished":"2025-04-04T07:37:39+00:00","breadcrumb":{"@id":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/data-flair.training\/blogs\/javascript-array-methods-part-1\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog Home","item":"https:\/\/data-flair.training\/blogs\/"},{"@type":"ListItem","position":2,"name":"JavaScript Tutorial","item":"https:\/\/data-flair.training\/blogs\/category\/javascript\/"},{"@type":"ListItem","position":3,"name":"JavaScript Array Methods Part &#8211; 1"}]},{"@type":"WebSite","@id":"https:\/\/data-flair.training\/blogs\/#website","url":"https:\/\/data-flair.training\/blogs\/","name":"DataFlair","description":"Learn Today. Lead Tomorrow.","publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/data-flair.training\/blogs\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/data-flair.training\/blogs\/#organization","name":"DataFlair","url":"https:\/\/data-flair.training\/blogs\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/logo\/image\/","url":"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2016\/07\/Data-Flair.png","contentUrl":"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2016\/07\/Data-Flair.png","width":106,"height":48,"caption":"DataFlair"},"image":{"@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/DataFlairWS\/","https:\/\/x.com\/DataFlairWS","https:\/\/www.linkedin.com\/company\/dataflair-web-services-pvt-ltd\/","https:\/\/www.youtube.com\/user\/DataFlairWS"]},{"@type":"Person","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/c187795dc82ab948373cca526df7c445","name":"DataFlair Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/2302ebc438084d2f1f993edc1996a0aae01332e81f3227cba8df0c48ec010ca4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2302ebc438084d2f1f993edc1996a0aae01332e81f3227cba8df0c48ec010ca4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2302ebc438084d2f1f993edc1996a0aae01332e81f3227cba8df0c48ec010ca4?s=96&d=mm&r=g","caption":"DataFlair Team"},"description":"DataFlair Team provides high-impact content on programming, Java, Python, C++, DSA, AI, ML, data Science, Android, Flutter, MERN, Web Development, and technology. We make complex concepts easy to grasp, helping learners of all levels succeed in their tech careers.","url":"https:\/\/data-flair.training\/blogs\/author\/dfteam6\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts\/144737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/users\/581"}],"replies":[{"embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/comments?post=144737"}],"version-history":[{"count":2,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts\/144737\/revisions"}],"predecessor-version":[{"id":144747,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts\/144737\/revisions\/144747"}],"wp:attachment":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/media?parent=144737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/categories?post=144737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/tags?post=144737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}