|
JS文件提速方法: 7 o9 V' y% w8 i2 y+ L
把通常加载方式:<script src="dancead.js"></script>
' N( d+ p! o8 W9 H9 L改变成:<script type="text/javascript"> document.write("<scr"+"ipt src=\"dancead.js\"></sc"+"ript>") ; </script> ' d5 W% E3 j$ } b0 U
; o7 j- U% t4 R0 mJS文件延迟加载方法:
) T1 k7 \: F4 W& P/ t. c1 qJS延迟加载代码如下:<script language="JavaScript" src="" id="ToTwo"></script>
! U8 X; C) a9 T4 L* A<script> setTimeout("document.getElementById('ToTwo').src='http://www.xp37.com/include.js'; ",3000);//延时3秒 </script> |