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String.prototype.times = function(n) {
    return Array.prototype.join.call({length:n+1}, this);
};
"js".times(5)   // => "jsjsjsjsjs"
·½·¨2.
 var ArrayTest=new Array("HE","LL","O");
 var hello = Array.prototype.join.call(ArrayTest, '|');
 alert(hello);   // => "HE|LL|O");
 
2.×Ö·û´®·Ö¸î³ÉÊý×é
var  _param = "HE||LL||O"; 
var  _paramArray = _param.split("|");
    alert(_paramArray.length)


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1.function f(x){return x*x;};f(x);
2.(function(x){return x*x;})(x);
3.(function(x){return x*x;}(x));
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JavaScript ÅжÏÎļþÊÇ·ñ´æÔÚ

1. ¿Í»§¶Ë //Ö÷ÒªÕë¶Ô±¾µØIEä¯ÀÀÆ÷·ÃÎÊ
<script
language="javascript">
function FileExist()
{
     var sfso=new
ActiveXObject("Scripting.FileSystemObject");
     var fPath="[The path of the
file]";
     if(sfso.FileExists(fP ......

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Javascript: setTimeout()ʹÓü° setInterval()ʹÓÃ

Evaluates an expression after a specified number of milliseconds has elapsed.
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Syntax:
iTimerID = window.setTimeout(vCode, iMilliSeconds [, sLanguage])
Parameters
vCode
Required. Variant that specifies the function pointer or string that indicates the code to be ......
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