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12 kinds of jQuery Analytic Performance Optimization

jQuery is one of very popular Javascript library, jQuery application with the gradual increase in the performance optimization problem is that programmers can not be ignored, we know the fastest in the jQuery selector that ID selector, as it directly from JavaScript's getElementById () method. For example, for some HTML code:

1. Is always inherited from the ID selector Start

The following is quoted fragment:
<div>
<form method="post" action="#">
<h2> traffic light </ h2>
<ul>
<li> <input type="radio" name="light" value="red" /> Red </ li>
<li> <input type="radio" name="light" value="yellow" /> yellow </ li>
<li> <input type="radio" name="light" value="green" /> Green </ li>
</ Ul> <input type="submit" value="Go" />
</ Form>
</ Div>

If you use the following selector, then the efficiency is inefficient. Details
标签: lt, efficiency, programmers, performance optimization, div, input type, javascript library, getelementbyid, fragment, ul, jquery, html code, radio, h2, optimization problem, traffic light, analytic performance
分类: Java
时间: 2010-06-08

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