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function loadscript(url) {
document.write('<scr' + 'ipt type="text/javascript" src"' + url + '"><\/scr' + 'ipt>'>)
}
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function
matchDemo(){
var s;
var re = new RegExp("d(b+)(d)","ig");
var str = "cdbBdbsbdbdz";
var arr = re.exec(str);
s = "$1
contains: " + RegExp.$1 + "\n";
s += "$2 contains: " + RegExp.$2 +
"\n";
s += "$3 contains: " + RegExp.$3;
return(s);
}
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Summary ×ܽá
When web pages or applications begin to feel slow, analyzing assets as they come over the wire and profiling scripts while they are running allows you to focus your optimization efforts where they are needed most.
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1. Javascript Debug Toolkit½éÉÜ
JSDT(Javascript Debug Toolkit)ÊÇÒ»¸öÓÃÓÚjavascriptµ÷ÊÔµÄeclipse
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<input name=Button onClick=document.all.WebBrowser.ExecWB(1,1) type=button value=´ò¿ª>
<OBJECT classid=CLSID:8856F961-340A-11D0-A96B-00C04FD705A2 height=0 id=WebBrowser width=0></OBJECT>
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<input name=Button onClick=document.all.WebBrowser.ExecWB(4,1) typ ......
<mce:script type="text/javascript"><!--
document.write("<table border=1px border-color=red>"); //±í¸ñ¿ªÊ¼
for (h = 1; h <= 10; h++) {
document.write("<tr>"); //¿ªÊ¼µÚÒ»ÐÐ
for (s = 1; s <= 10; s++) {
var num = (h-1)*10+s; ......