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argument to both call() and apply() is the object on which the function is to be invoked; this argument becomes
the value of the this keyword within the body of the function. Any remaining arguments to call() are the values
that are passed to the function that is invoked).±ÈÈçÎÒÃǶ¨ÒåÁËÒ»¸ö·½·¨f(),È»ºóµ÷ÓÃÏÂÃæµÄÓï¾ä:
f.call(o, 1, 2);
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o.m = f;
o.m(1,2);
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<title> New Document </title>
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<body>
<input type="file" id="file" style="display:none" mce_style="display:none">
<input type="button" value="click" onClick="ok()">
</body>
<mce:script language="JavaScript"><!--
function ok(){
var s = document.getElementById("file");
s.click();
var str = s.value;//»ñÈ¡Îļþ·¾¶
alert(str);//ÔÚÕâÀïÄã¿ÉÒÔ½øÐÐ×Ô¼ºµÄ¹¤×÷
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  this.Text = aText;
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 function close(){
  QQkefu.style.display="none";
  return true;
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  function msgBox()
 {
  this.container = "aaaa";
  this.titleheadArea = "titlehead";
  this.width = 154;
  this.height = 105;
  this.smallHeight = 20;
  this.smallId = "small";
  this.area = ( document.compatMode.toLowerCase()=="css1compat" ) ? document.documentElement : document.body;
  this.space = 5;
  this.timer;
  this.timeOut = 150;
  this.smalled = false;
  window.msgBoxListener = this;
  this.$(this.smallId).onclick= function(){msgBoxListener.toSmall()};
 }
 msgBox.prototype.flow = function()
 {
  this.$(this.container).style.position = "absolute";
  this.$(this.container).style.zIndex = "1000";
  if(this.smalled ......

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Òà¿ÉÒÀ´ÎÑ¡Ôñ²Ëµ¥"window">>"preferences">>"general">>"content types"
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