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JS文件提速方法:
: t2 t% ~# E3 g8 f* H把通常加载方式:<script src="dancead.js"></script> + }& |! o& c4 j7 Q* \& B0 z1 G! @
改变成:<script type="text/javascript"> document.write("<scr"+"ipt src=\"dancead.js\"></sc"+"ript>") ; </script> ) J3 ]3 H; `& _0 o
* Y1 @! l4 F, t/ A E1 y" H' hJS文件延迟加载方法:
2 n/ M1 B1 m; g6 K; dJS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script>
- ^% K6 @# y! a! b$ _; x<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |