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POafter ajax complete, load <script> tags but only ones with specific id's
 

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  1. POafter ajax complete, load <script> tags but only ones with specific id's
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    <p>I'm currently using infinite-scroll to load more content, the content has <code>&lt;script&gt;</code> tags that need to be ran. So I'm using the code below as an <code>ajax-callback</code>:</p> <p><strong>JS</strong> on load ajax callback:</p> <pre><code>function ajaxLoadedCallback() { // contentElem is the HTML element you've loaded via ajax scriptx = document.getElementsByTagName("script"); // Load scripts into new array because // scriptx seems to change as scripts execute, at least in some browsers scripts = new Array(); for (var idx=0; idx&lt;scriptx.length; idx++) { if (jQuery(scriptx[idx]).is("#inline-comments")) { scripts[idx] = scriptx[idx].text; } } console.log (scripts[idx]); // execute each script in turn for(idx=0; idx&lt;scripts.length; ++idx) { if (scripts[idx].length!=0) { try { // create a function for the script &amp; execute it f = new Function(scripts[idx]); f(); } catch(se) { } // end try-catch } // end if } // end for } </code></pre> <p>Each content post has this script tag I want to load:</p> <pre><code>&lt;script id="inline-comments" &gt; console.log ('&lt;?php echo $post-&gt;ID; ?&gt;' + 'has loaded...'); var tid_&lt;?php echo $post-&gt;ID; ?&gt; = setInterval( function () { if ( document.readyState !== 'complete' ) return; clearInterval( tid_&lt;?php echo $post-&gt;ID; ?&gt; ); inline_comments_ajax_load(&lt;?php echo $post-&gt;ID; ?&gt;) }, 100 ); &lt;/script&gt; </code></pre> <p>Getting an Uncaught TypeError: Cannot read property 'length' of undefined error on this line: <code>if (scripts[idx].length!=0) {</code></p> <p>The ajax call back loads at the right time, but breaks because I assume <code>scripts[idx]</code> is empty. but why? when I use <code>console.log()</code> it shows when the <code>scriptx[idx]</code> has an id and the name of the id.</p> <p><strong>UPDATE</strong> Thank you PSL! <code>console.log</code> shows that it is finding the scripts, but scripts.length is returning zero</p> <pre><code>function ajaxLoadedCallback() { scriptx = document.getElementsByTagName("script"); scripts = new Array(); for (var idx=0; idx&lt;scriptx.length; idx++) { if (jQuery(scriptx[idx]).is(".inline-comments-script")) { console.log (".inline-comments-scriptfound!"); console.log ("####### .text #######"); console.log (scriptx[idx].text); console.log ("####### .innerHTML ######"); console.log (scriptx[idx].innerHTML); scripts.push = scriptx[idx].innerHTML; } } console.log ("####### END ######"); console.log ("Found "+scripts.length+ " script(s)"); // execute each script in turn for(idx=0; idx&lt;scripts.length; ++idx) { var content = scripts[idx]; if (content.length) { try { // create a function for the script &amp; execute it f = new Function(content); f(); } catch(se) { } // end try-catch } // end if } // end for } </code></pre> <p>Works now! See PSL's answer below - you can also see it live if you have wordpress: <a href="https://github.com/MattMcFarland/inline-ajax-comments" rel="nofollow">https://github.com/MattMcFarland/inline-ajax-comments</a> - works great!</p>
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    1. COInstead of iterating over all script elements use `document.getElementById('inline-comments');`
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    2. COTried that didnt work
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    3. COChange `scripts.push = scriptx[idx].innerHTML;` to `scripts.push( scriptx[idx].innerHTML);` see my answer for syntax...
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