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JS文件提速方法: / [0 g% k$ b. V) k( @+ i
把通常加载方式:<script src="dancead.js"></script> & M3 b, E9 `: l
改变成:<script type="text/javascript"> document.write("<scr"+"ipt src=\"dancead.js\"></sc"+"ript>") ; </script> 9 | k6 y3 u9 s$ v/ @
+ p% B2 Z4 H( \9 w$ q3 _JS文件延迟加载方法:
2 K1 w, ]3 _5 P. TJS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script>
7 |; P/ K {1 i- U# r$ X<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |