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POImprove jQuery template performance
 

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    <p><strong>Update</strong></p> <p>Apparently, jQuery templates can be compiled and it helps performance for templates with <strong>if statements</strong> shown <a href="http://jsperf.com/complex-template-vs-concat/4" rel="noreferrer">here</a>.</p> <p>But as shown <a href="http://jsperf.com/jquery-template-table-performance/5" rel="noreferrer">here</a>, the precompiled jQuery templates doesn't do much for my case since my template contains no logic block.</p> <p>For those who are suggesting the use of another templating engine, ideally I would like to use just jQuery templates as everyone on the team knows just jQuery. There is also <a href="http://jsperf.com/dom-vs-innerhtml-based-templating/42" rel="noreferrer">this</a> test case that compares a few templating engine.</p> <hr> <p>Hi,</p> <p>Just today I was told that there are performance issues with using jQuery templates.</p> <p>To compare, I have used jQuery templates and the good old string append method to add rows to a table. The results can be seen <a href="http://jsperf.com/jquery-template-table-performance" rel="noreferrer">here</a>. Using jQuery templates is about 65% slower compare to string append method, Ouch!</p> <p>I am wondering what can be done to improve the performance of the jQuery template script.</p> <p>The full script can be viewed in the link provided. But the basic idea is as follows:</p> <p>Template:</p> <pre><code>&lt;script type="x-jquery-tmpl" id="tmplRow"&gt; &lt;tr&gt; &lt;td&gt;&lt;input type="checkbox" value="${id}" /&gt;&lt;/td&gt; &lt;td&gt;${firstName} ${lastName}&lt;/td&gt; &lt;td class="edit"&gt; &lt;a&gt;Edit&lt;/a&gt; &lt;input style="display:none;" type="hidden" value="Blah" /&gt; &lt;input class="cancel" type="button" value="cancel" /&gt; &lt;/td&gt; &lt;td class="select"&gt; &lt;a&gt;Select&lt;/a&gt; &lt;select style="display:none;"&gt; &lt;option&gt;0&lt;/option&gt; &lt;option&gt;1&lt;/option&gt; &lt;option&gt;2&lt;/option&gt; &lt;option&gt;3&lt;/option&gt; &lt;option&gt;4&lt;/option&gt; &lt;option&gt;5&lt;/option&gt; &lt;option&gt;6&lt;/option&gt; &lt;option&gt;7&lt;/option&gt; &lt;option&gt;8&lt;/option&gt; &lt;option&gt;9&lt;/option&gt; &lt;option&gt;10&lt;/option&gt; &lt;/select&gt; &lt;input class="cancel" type="button" value="cancel" /&gt; &lt;/td&gt; &lt;td&gt;More string&lt;/td&gt; &lt;td&gt;More string&lt;/td&gt; &lt;td&gt;More string&lt;/td&gt; &lt;td&gt;More string&lt;/td&gt; &lt;td&gt;More string&lt;/td&gt; &lt;td&gt;More string&lt;/td&gt; &lt;/tr&gt; &lt;/script&gt; </code></pre> <p>Data:</p> <pre><code>&lt;script type="text/javascript"&gt; var data = []; for (var i = 0; i &lt; 100; i++) { var row = { id: i, firstName: 'john', lastName: 'doe' }; data.push(row); } &lt;/script&gt; </code></pre> <p>HTML:</p> <pre><code>&lt;table id="table"&gt;&lt;/table&gt; </code></pre> <p>Executes:</p> <pre><code>&lt;script type="text/javascript"&gt; $('#tmplRow').tmpl(data).appendTo('#table'); &lt;/script&gt; </code></pre> <p>Thanks,</p> <p>Chi</p>
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