{"id":6881,"date":"2021-07-21T13:05:24","date_gmt":"2021-07-21T13:05:24","guid":{"rendered":"https:\/\/www.scmgalaxy.com\/tutorials\/?p=6881"},"modified":"2022-04-13T16:34:32","modified_gmt":"2022-04-13T16:34:32","slug":"variables-in-javascript-with-rules","status":"publish","type":"post","link":"https:\/\/www.scmgalaxy.com\/tutorials\/variables-in-javascript-with-rules\/","title":{"rendered":"Variables in Javascript with Rules"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Variables<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A variable is an identifier or a name which is used to refer a value. A variable is written with a combination of letters, numbers and special characters _ (underscore) and $ (dollar) with the first letter being an alphabet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ex-<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c, fact, b33, total_amount etc.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"422\" src=\"https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2021\/07\/variables-in-javascript.jpg\" alt=\"\" class=\"wp-image-6882\" srcset=\"https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2021\/07\/variables-in-javascript.jpg 750w, https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2021\/07\/variables-in-javascript-300x169.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Rules<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Variable can contain combination of letters, digits, underscores ( _ ), and<br>dollar signs ( $ ).<br>\u2022 Must begin with a letter A-Z or a-z or underscore or dollar sign<br>\u2022 A variable name cannot start with a number<br>\u2022 Must not contain any space characters<br>\u2022 JavaScript is case-sensitive<br>\u2022 Can\u201ft use reserved keywords<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Variables A variable is an identifier or a name which is used to refer a value. A variable is written [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[16],"tags":[5491,5095,5489,5490,317],"class_list":["post-6881","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-const","tag-javascript","tag-rules","tag-var","tag-variables"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Variables in Javascript with Rules - scmGalaxy<\/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:\/\/www.scmgalaxy.com\/tutorials\/variables-in-javascript-with-rules\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Variables in Javascript with Rules - scmGalaxy\" \/>\n<meta property=\"og:description\" content=\"Variables A variable is an identifier or a name which is used to refer a value. 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