JS文件提速方法:
( k/ h% @7 _. o+ L把通常加载方式:<script src="dancead.js"></script>
/ i' X" V! v% h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:
+ X2 \, B% |5 O; M% dJS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script> - l: @) K$ L8 s9 U+ S+ R/ u) ]
<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |