Javascript加载速度慢的解决方案

<script src="xxxx.js"></script>

<script type="text/javascript">
document.write("<scr"+"ipt src="xxx.js"></sc"+"ript>")
</script>

<script type="text/javascript">

document.write("<scr"+"ipt src="xxx1.js"></sc"+"ript>") ;
document.write("<scr"+"ipt src="xxx2.js"></sc"+"ript>") ;
document.write("<scr"+"ipt src="xxx3.js"></sc"+"ript>") ;
</script>

<<script type="text/javascript">>
document.write("<<scr"+"ipt src="xxx.js"></sc"+"ript>>")
<</script>>

<<script type="text/javascript">>
if ( 心情好 ) {document.write("<<scr"+"ipt src="xxx.js"></sc"+"ript>>")}
<</script>>