{"id":142351,"date":"2024-05-15T18:51:03","date_gmt":"2024-05-15T13:21:03","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142351"},"modified":"2024-05-15T18:51:03","modified_gmt":"2024-05-15T13:21:03","slug":"javascript-program-on-data-types-and-variables-part-1","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-1\/","title":{"rendered":"JavaScript Program on Data Types and Variables Part &#8211; 1"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ var a=100\r\n\/\/ console.log(typeof(a))\r\n\/\/ var b=\"Hello Friends\"\r\n\/\/ console.log(typeof(b))\r\n\/\/ var c=true\r\n\/\/ console.log(typeof(c))\r\n\/\/ var d=10.40\r\n\/\/ console.log(typeof(d))\r\n\/\/ var e='z'\r\n\/\/ console.log(typeof(z))\r\n\/\/ console.log(typeof(e))\r\n\/\/     var a=\"a with var\"\r\n\/\/     var a=\"Hello Friends how are you\"    \r\n\/\/ console.log(a)\r\n\/\/   {\r\n\/\/     let a=\"let variable\"\r\n\/\/     console.log(\"inside block : \" +a)\r\n\/\/   }\r\n\/\/      let a=\"let variable\";   \r\n\/\/      console.log(\"outside block : \" +a)\r\n  \/\/console.log(\"outside block : \" +a)\r\n\/\/   {\r\n\/\/       const PI=3.14\r\n\/\/   }\r\n\/\/   console.log(\"Constant: \" + PI)<\/pre>\n<h3>Program 2<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Rules for Declaring variable in Java Script \r\n\r\n\/\/ var _a=100 \r\n\/\/ var #a=2300 \r\n\/\/ var $a=50 \r\n\/\/ var emp no=101 \r\n\/\/ var emp_name=\"vivek\" \r\n\/\/ var emp-dept=\"CSE\" \r\n\r\n  \/\/var if=100 \r\n\/\/ var empname=\"Dipesh Sharma\" \r\n\/\/ console.log(typeof(empname)) \r\n\/\/ console.log(empname) \r\n\/\/ import readline module<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ var a=100 \/\/ console.log(typeof(a)) \/\/ var b=&#8221;Hello Friends&#8221; \/\/ console.log(typeof(b)) \/\/ var c=true \/\/ console.log(typeof(c)) \/\/ var d=10.40 \/\/ console.log(typeof(d)) \/\/ var e=&#8217;z&#8217; \/\/ console.log(typeof(z)) \/\/ console.log(typeof(e)) \/\/ var a=&#8221;a with&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18979],"tags":[32083,7758,18983,31621,31622,32081,18982,32082],"class_list":["post-142351","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-data-types-in-javascript","tag-javascript","tag-javascript-data-types","tag-javascript-practical","tag-javascript-program","tag-javascript-program-on-variables-and-data-types","tag-javascript-variables","tag-variables-in-javascript"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>JavaScript Program on Data Types and Variables 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-program-on-data-types-and-variables-part-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JavaScript Program on Data Types and Variables Part - 1 - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ var a=100 \/\/ console.log(typeof(a)) \/\/ var b=&quot;Hello Friends&quot; 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