{"id":142354,"date":"2024-05-15T18:55:40","date_gmt":"2024-05-15T13:25:40","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142354"},"modified":"2024-05-15T18:55:40","modified_gmt":"2024-05-15T13:25:40","slug":"javascript-program-on-data-types-and-variables-part-2","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/","title":{"rendered":"JavaScript Program on Data Types and Variables Part \u2013 2"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ console.log(10+20)  \/\/ Addition\r\n\/\/ console.log(\"10\"+\"20\")  \/\/ Concat\r\n\/\/ console.log(10+\"20\") \/\/ concat\r\n\/\/ console.log(\"    \"+\"vivek\" + \" \")  \/\/concat\r\n\/\/ console.log(40-10) \/\/  30\r\n\/\/console.log(\"40\"-10-\"20\") \/\/30  \r\n \/\/console.log(\"40\"+\"10\") \/\/ 4010\r\n\r\n\/\/  console.log(\"40\"*\"10\")  \/\/ 30  \r\n\/\/  console.log(\"vivek\"-\"rajesh\"); \/\/ NAN\r\n\/\/  console.log(\"vivek\"*\"rajesh\"); \/\/ NAN\r\n\/\/  console.log(\"20\" - 30) \/\/ -10\r\n\/\/  console.log(\"20A\" - \"30\") \/\/NAN \r\n  \r\n\/\/ Write a program for addition sub ,multi,division of two \r\n\/\/ + * \/ -\r\n\/\/ 50 30 before swaping and after swaping \r\n\/\/  let a=50\r\n\/\/  let b=30\r\n\/\/  let c\r\n\/\/  console.log(\"Before Swaping: \" + a + \" \" + b)\r\n\/\/ \/\/      c=a\r\n\/\/ \/\/      a=b\r\n\/\/ \/\/      b=c\r\n\/\/        a=a+b\r\n\/\/        b=a-b\r\n\/\/        a=a-b\r\n\/\/   console.log(\"After Swaping: \" +a + \" \" + b)\r\n  \r\n\/\/  var a=null\r\n\/\/  var b=100\r\n\/\/  console.log(a)  \/\/ null\r\n\/\/  console.log(typeof(a))  \/\/ object\r\n\/\/  console.log(b)  \r\n\/\/  console.log(typeof(b))  \/\/undefined\r\n\r\n \/\/ Area of circle\r\n  let r=12.13\r\n  let a,c\r\n  const PI=3.14\r\n   a=PI*r*r\r\n   console.log(\"Area of Circle is: \" +a)\r\n   c=2*PI*r\r\n   console.log(\"circumfrance of Circle is: \" +a)<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ console.log(10+20) \/\/ Addition \/\/ console.log(&#8220;10&#8243;+&#8221;20&#8243;) \/\/ Concat \/\/ console.log(10+&#8221;20&#8243;) \/\/ concat \/\/ console.log(&#8221; &#8220;+&#8221;vivek&#8221; + &#8221; &#8220;) \/\/concat \/\/ console.log(40-10) \/\/ 30 \/\/console.log(&#8220;40&#8221;-10-&#8220;20&#8221;) \/\/30 \/\/console.log(&#8220;40&#8243;+&#8221;10&#8221;) \/\/ 4010 \/\/ console.log(&#8220;40&#8243;*&#8221;10&#8221;) \/\/ 30&#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-142354","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 - 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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-program-on-data-types-and-variables-part-2\/","og_locale":"en_US","og_type":"article","og_title":"JavaScript Program on Data Types and Variables Part \u2013 2 - DataFlair","og_description":"Program 1 \/\/ console.log(10+20) \/\/ Addition \/\/ console.log(\"10\"+\"20\") \/\/ Concat \/\/ console.log(10+\"20\") \/\/ concat \/\/ console.log(\" \"+\"vivek\" + \" \") \/\/concat \/\/ console.log(40-10) \/\/ 30 \/\/console.log(\"40\"-10-\"20\") \/\/30 \/\/console.log(\"40\"+\"10\") \/\/ 4010 \/\/ console.log(\"40\"*\"10\") \/\/ 30&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2024-05-15T13:25:40+00:00","author":"TechVidvan Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"TechVidvan Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/"},"author":{"name":"TechVidvan Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/0e594f928e31fc96628ac40f6ae74f49"},"headline":"JavaScript Program on Data Types and Variables Part \u2013 2","datePublished":"2024-05-15T13:25:40+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/"},"wordCount":10,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["data types in javascript","JavaScript","JavaScript Data Types","javascript practical","javascript program","javascript program on variables and data types","JavaScript Variables","variables in javascript"],"articleSection":["JavaScript Tutorial"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/","url":"https:\/\/data-flair.training\/blogs\/javascript-program-on-data-types-and-variables-part-2\/","name":"JavaScript Program on Data Types and Variables Part \u2013 2 - 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