{"id":3810,"date":"2021-08-05T14:38:07","date_gmt":"2021-08-05T13:38:07","guid":{"rendered":"https:\/\/ibex.tech\/javascript\/?p=3810"},"modified":"2024-01-30T14:03:27","modified_gmt":"2024-01-30T14:03:27","slug":"arrays","status":"publish","type":"post","link":"https:\/\/ibex.tech\/javascript\/javascript_memory\/array\/arrays","title":{"rendered":"Array"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Create an array<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">Constants<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>const cars = &#91;\n  \"Saab\",\n  \"Volvo\",\n  \"BMW\"\n];\n\nconst cars = &#91;];\ncars&#91;0]= \"Saab\";\ncars&#91;1]= \"Volvo\";\ncars&#91;2]= \"BMW\";<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">Variables<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>\nvar cars = &#91;\n  \"Saab\",\n  \"Volvo\",\n  \"BMW\"\n];\n\nvar cars = &#91;];\ncars&#91;0]= \"Saab\";\ncars&#91;1]= \"Volvo\";\ncars&#91;2]= \"BMW\";\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Array Length<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>  if (MyArray.count > 0)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Does array index exist?<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>if(typeof MyArray&#91;index] === 'undefined')\n{\n    \/\/Does not exist\n}\n\n\nif(typeof MyArray&#91;index] !== 'undefined')\n{\n    \/\/Does exist\n}<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Create an array Constants Variables Array Length Does array index exist?<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[326],"tags":[],"class_list":["post-3810","post","type-post","status-publish","format-standard","hentry","category-array"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/posts\/3810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/comments?post=3810"}],"version-history":[{"count":8,"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/posts\/3810\/revisions"}],"predecessor-version":[{"id":4289,"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/posts\/3810\/revisions\/4289"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/media?parent=3810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/categories?post=3810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/javascript\/wp-json\/wp\/v2\/tags?post=3810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}