{"id":6209,"date":"2022-09-02T03:23:18","date_gmt":"2022-09-01T21:53:18","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-creating-a-javascript-global-array-with-static-elements\/"},"modified":"2022-09-02T03:23:18","modified_gmt":"2022-09-01T21:53:18","slug":"solved-creating-a-javascript-global-array-with-static-elements","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-creating-a-javascript-global-array-with-static-elements\/","title":{"rendered":"[Solved] Creating a JavaScript global array with static elements?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-17600562\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"17600562\" data-parentid=\"17600130\" 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>The problem isn&#8217;t that <code>removeFunction<\/code> doesn&#8217;t have access to <code>bigArray<\/code>. The problem is in your <code>onclick<\/code> attribute, and the <code>id<\/code> you&#8217;re putting on the link:<\/p>\n<pre><code>$('#div').append(\"&lt;a href=\"#\" id='bigArray[i]' onclick='removeFunction(bigArray[i])'&gt;Element bigArray[i]&lt;\/a&gt;&lt;br \/&gt;\");\n<\/code><\/pre>\n<p>In the <code>onclick<\/code>, you&#8217;re referring to <code>i<\/code>, but A) I&#8217;m guessing <code>i<\/code> isn&#8217;t a global, and B) Even if it is, it will not have the value of <code>i<\/code> that you used to render that row. The code will look for the value of a global <code>i<\/code> variable <strong>as of when the link is clicked<\/strong>.<\/p>\n<p>Separately, you&#8217;re creating multiple elements with the same <code>id<\/code> value, which is <code>bigArray[i]<\/code> (not <code>bigArray[0]<\/code>, <code>bigArray[1]<\/code>, etc.)<\/p>\n<p>You could use the value instead, like this:<\/p>\n<pre><code>$('#div').append(\"&lt;a href=\"#\" id='bigArray[\" + i + \"]' onclick='removeFunction(\" + i + \")'&gt;Element bigArray[i]&lt;\/a&gt;&lt;br \/&gt;\");\n<\/code><\/pre>\n<p>The changes there are:<\/p>\n<ul>\n<li>\n<p>For the <code>id<\/code>, I changed it to: <code>\"...id='bigArray[\" + i + \"]'\"<\/code>, which will output <code>id='bigArray[0]'<\/code>, then <code>id='bigArray[1]'<\/code>, etc., instead of repeatedly outputting <code>id='bigArray[i]'<\/code> (literally.<\/p>\n<\/li>\n<li>\n<p>I just pass the index into <code>removeFunction<\/code>, again by putting the <em>value<\/em> there, not a reference to the variable <code>i<\/code>: <code>\"... onclick='removeFunction(\" + i + \")' ...\"<\/code><\/p>\n<\/li>\n<\/ul>\n<p>Then your <code>removeFunction<\/code> would be:<\/p>\n<pre><code>function removeFunction(i) {    \/\/ &lt;== i, not id\n    bigArray.splice(i, 1);      \/\/ &lt;== real code, not pseudocode\n    renderArray(bigArray);\n}\n<\/code><\/pre>\n<p>I would not recommend doing it that way, but it&#8217;s the minimal fix.<\/p>\n<p>There&#8217;s no need to pass <code>bigArray<\/code> to anything. It&#8217;s a global.<\/p>\n<hr>\n<p>FWIW, I would recommend refactoring so you don&#8217;t have to re-render the whole thing every time.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">4<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Creating a JavaScript global array with static elements? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] The problem isn&#8217;t that removeFunction doesn&#8217;t have access to bigArray. The problem is in your onclick attribute, and the id you&#8217;re putting on the link: $(&#8216;#div&#8217;).append(&#8220;&lt;a href=&#8221;#&#8221; id=&#8217;bigArray[i]&#8217; onclick=&#8217;removeFunction(bigArray[i])&#8217;&gt;Element bigArray[i]&lt;\/a&gt;&lt;br \/&gt;&#8221;); In the onclick, you&#8217;re referring to i, but A) I&#8217;m guessing i isn&#8217;t a global, and B) Even if it is, it will &#8230; <a title=\"[Solved] Creating a JavaScript global array with static elements?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-creating-a-javascript-global-array-with-static-elements\/\" aria-label=\"More on [Solved] Creating a JavaScript global array with static elements?\">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":[361,333,388,1691],"class_list":["post-6209","post","type-post","status-publish","format-standard","hentry","category-solved","tag-arrays","tag-javascript","tag-jquery","tag-static-array"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Creating a JavaScript global array with static elements? - 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-creating-a-javascript-global-array-with-static-elements\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Creating a JavaScript global array with static elements? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] The problem isn&#8217;t that removeFunction doesn&#8217;t have access to bigArray. The problem is in your onclick attribute, and the id you&#8217;re putting on the link: $(&#039;#div&#039;).append(&quot;&lt;a href=&quot;#&quot; id=&#039;bigArray[i]&#039; onclick=&#039;removeFunction(bigArray[i])&#039;&gt;Element bigArray[i]&lt;\/a&gt;&lt;br \/&gt;&quot;); In the onclick, you&#8217;re referring to i, but A) I&#8217;m guessing i isn&#8217;t a global, and B) Even if it is, it will ... 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The problem is in your onclick attribute, and the id you&#8217;re putting on the link: $('#div').append(\"&lt;a href=\"#\" id='bigArray[i]' onclick='removeFunction(bigArray[i])'&gt;Element bigArray[i]&lt;\/a&gt;&lt;br \/&gt;\"); In the onclick, you&#8217;re referring to i, but A) I&#8217;m guessing i isn&#8217;t a global, and B) Even if it is, it will ... 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