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JS文件提速方法:
! ]) B+ v( d7 C$ \, X把通常加载方式:<script src="dancead.js"></script>
& z. `6 o- K, n; M) |: Q改变成:<script type="text/javascript"> document.write("<scr"+"ipt src=\"dancead.js\"></sc"+"ript>") ; </script> ) g8 G2 O+ c- ~/ p3 B
/ Y$ b1 Q8 H, wJS文件延迟加载方法: 1 A) q- ~/ a9 Z o3 Z% ~/ @. m6 `
JS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script> ' L* @' G6 l8 {2 v
<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |