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POWork around for live filtering 1500+ items with jQuery in Chrome
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  1. POWork around for live filtering 1500+ items with jQuery in Chrome
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    copied!<p>I'm being bitten by the Chrome/Webkit <a href="http://code.google.com/p/chromium/issues/detail?id=71305" rel="nofollow">71305</a> bug where un-hiding a large number of nodes causes Chrome to hang. (Also occurs in Safari).</p> <p>I am filtering a list item that will be in a drop down menu with the following:</p> <pre><code>jQuery.expr[':'].Contains = function(a, i, m) { return $.trim((a.textContent || a.innerText || "")).toUpperCase().indexOf(m[3].toUpperCase()) == 0; }; var input = $('input'); var container = $('ul'); input.keyup(function(e) { var filter = $.trim(input.val()); if (filter.length &gt; 0) { // Show matches. container.find("li:Contains(" + filter + ")").css("display", "block"); container.find("li:not(:Contains(" + filter + "))").css("display", "none"); } else { container.find('li').css("display", "block"); } }); </code></pre> <p>Snippet of the markup:</p> <pre><code>&lt;input type="text" /&gt; &lt;ul&gt; &lt;li&gt; &lt;div&gt; &lt;span title="93252"&gt;&lt;label&gt;&lt;input type="checkbox"&gt;3G&lt;/label&gt;&lt;/span&gt; &lt;/div&gt; &lt;/li&gt; &lt;/ul&gt; </code></pre> <p>The time it takes for the Javascript to execute is negligible. It's when Chrome needs to redraw the elements after deleting the text in the <code>input</code> that it hangs. Does not happen in FF6/IE7-9.</p> <p>I made a JSFiddle to illustrate the issue: <a href="http://jsfiddle.net/uUk7S/17/show/" rel="nofollow">http://jsfiddle.net/uUk7S/17/show/</a></p> <p>Is there another approach I can take rather than hiding and showing the elements that will not cause Chrome to hang? I have tried cloning the <code>ul</code>, processing in the clone and replacing the <code>ul</code> in the DOM completely with the clone, but am hoping there's a better way as this is significantly slower in IE.</p>
 

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