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try
{
if(x>10)
throw "Err1"
}
catch(er)
{
if(er=="Err1")
}
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document.write("Hello \
World!")
4.match() ·½·¨
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function isPasswd(s)
{
var patrn=/^(\w){6,20}$/;
if (!patrn.exec(s)) return false
return true
}
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NumberObject.toFixed(num)
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
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var isIE = (document.all) ? true : false;
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() { this.initialize.apply(this, arguments); }
}
}
var Extend = function( ......