JS文件提速方法:
7 I) H: t1 k8 @把通常加载方式:<script src="dancead.js"></script>
/ x4 z) l5 y: ~3 E4 L( I2 q! }0 w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:
! {7 S' _" `% [5 r& sJS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script>
# O, r5 a4 M& T1 F& @: l<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |