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JS文件提速方法:
+ q# `# O1 ]) n0 R/ R9 n' p把通常加载方式:<script src="dancead.js"></script>
& N0 Z9 l" i- H2 n& n; v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:
! Z1 W& ~( j. c7 P; Q ~JS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script> / ^5 ]0 [; P( C+ G4 Z
<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |