JS文件提速方法: - p. w4 g! l: j) [5 j" Z* f) F( w
把通常加载方式:<script src="dancead.js"></script> 2 D- `' X+ H% R) a
改变成:<script type="text/javascript"> document.write("<scr"+"ipt src=\"dancead.js\"></sc"+"ript>") ; </script> # ?. ~6 L4 @/ x8 J
/ j" g& S, z2 I7 I/ {& J9 wJS文件延迟加载方法:
0 B4 s4 u. ~7 v5 iJS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script>
+ t( }6 E# v- W, z<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |