{"id":21169,"date":"2022-11-12T10:44:52","date_gmt":"2022-11-12T05:14:52","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-script-error-where-to-add-if\/"},"modified":"2022-11-12T10:44:52","modified_gmt":"2022-11-12T05:14:52","slug":"solved-script-error-where-to-add-if","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-script-error-where-to-add-if\/","title":{"rendered":"[Solved] Script error, where to add if"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-17748878\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"17748878\" data-parentid=\"17748823\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I notice your usage of &#8220;photos&#8221;, but I don&#8217;t see the variable being declared anywhere&#8230;<br \/>\nAt least, inside the main function (since it won&#8217;t be global), declare your photos var:<\/p>\n<pre><code>var photos = [];\n<\/code><\/pre>\n<p>Aditionally, like Chris says, always check if the var is defined. \ud83d\ude42<br \/>\nSource: https:\/\/stackoverflow.com\/a\/17748905\/2599797<\/p>\n<pre><code>if (photos) \/\/ Simple\nif (typeof(photos) != 'undefined') \/\/ Type matching, if photos defaults to true it won't pass\nif ($.isArray(photos)) \/\/ jQuery based Javascript\/Prototype native array check\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Script error, where to add if <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I notice your usage of &#8220;photos&#8221;, but I don&#8217;t see the variable being declared anywhere&#8230; At least, inside the main function (since it won&#8217;t be global), declare your photos var: var photos = []; Aditionally, like Chris says, always check if the var is defined. \ud83d\ude42 Source: https:\/\/stackoverflow.com\/a\/17748905\/2599797 if (photos) \/\/ Simple if (typeof(photos) &#8230; <a title=\"[Solved] Script error, where to add if\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-script-error-where-to-add-if\/\" aria-label=\"More on [Solved] Script error, where to add if\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[782,346,2386,333,388],"class_list":["post-21169","post","type-post","status-publish","format-standard","hentry","category-solved","tag-fatal-error","tag-html","tag-internet-explorer-8","tag-javascript","tag-jquery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Script error, where to add if - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-script-error-where-to-add-if\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Script error, where to add if - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I notice your usage of &#8220;photos&#8221;, but I don&#8217;t see the variable being declared anywhere&#8230; At least, inside the main function (since it won&#8217;t be global), declare your photos var: var photos = []; Aditionally, like Chris says, always check if the var is defined. \ud83d\ude42 Source: https:\/\/stackoverflow.com\/a\/17748905\/2599797 if (photos) \/\/ Simple if (typeof(photos) ... 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At least, inside the main function (since it won&#8217;t be global), declare your photos var: var photos = []; Aditionally, like Chris says, always check if the var is defined. \ud83d\ude42 Source: https:\/\/stackoverflow.com\/a\/17748905\/2599797 if (photos) \/\/ Simple if (typeof(photos) ... 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