JS文件提速方法:
, ]% ^. f6 |' T把通常加载方式:<script src="dancead.js"></script> 9 n& Y$ P' a* z+ C
改变成:<script type="text/javascript"> document.write("<scr"+"ipt src=\"dancead.js\"></sc"+"ript>") ; </script>
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JS文件延迟加载方法: - [3 q4 I9 Q- {( m& a( w/ T# Z
JS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script> " {/ F& [, } W4 t1 l3 G! l; W) q
<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |