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javascript 事件加载与预加载
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<!doctype html> <html dir="ltr" lang="zh-CN"> <head> <meta charset="gb2312"/> <meta http-equiv="X-UA-Compatible" content="IE=Edge"> <title>闭包环境中的事件加载</title> <script type="text/javascript"> (function(){ if(!window.JS){ window[JS] = {} } var onReady = function(fn){ var oldonload = window.onload; if (typeof window.onload != function) { window.onload = fn; }else { window.onload = function() { oldonload(); fn(); } } } JS.onReady = onReady; var $ = function(id){ return document.getElementById(id); } JS.$ = $; })() JS.onReady(function(){ var $ = JS.$; try{ alert($("test").innerHTML); }catch(e){ alert(e); } }) </script> </head> <body> <p id="test">Test</P><br><INPUT onclick=runEx('runcode') type=button value=运行代码 /><br> </span> </td> </tr> </table> <br> </div> <div id="st-right" class="col-lg-wide-25 col-xs-1 padding-0 hidden-xs" style="height:100%;"><br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER">技术文章快速查找</div> </td> </tr> </table> <table width="300" border="0" cellspacing="1" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td bgcolor="#FFFFFF"> <table width="98%" border="0" cellspacing="0" cellpadding="2" class="unnamed1" align="center"> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/35747.html" target="_blank"> 基于jquery实现的鼠标滑过按钮改变背景图片 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/37022.html" target="_blank"> Java 正则表达式学习总结和一些小例子 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/34661.html" target="_blank"> 发布一个基于javascript的动画类 Fx.js </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/38796.html" target="_blank"> Jquery时间验证和转换工具小例子 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/35955.html" target="_blank"> jQuery(1.6.3) 中css方法对浮动的实现缺陷分析 </a> </td> </tr> <tr> <td><a 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