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function  setEnd(field)   {  
      if (field.createTextRange) {  
          var r = field.createTextRange();  
          r.moveStart('character', field.value.length);  
          r.collapse();  
          r.select();  
      }  
  }
<INPUT   TYPE="text"   name="userName"   value="²âÊÔ"  onfocus="setEnd(this)">   
 <INPUT   TYPE="text"  name="userAge"   value="²âÊÔ"  onfocus="setEnd(this)">


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function getEventElement(ev){
ev = ev||window.event;//»ñµÃ¶ÔÏó
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±íµ¥Ãûfm ±íµ¥ÖÐÓÐÁ½¸ötext :name,no Ò»¸öradio:sex Ò»¸öcheckbox:hobby Ò»¸öÏÂÀ­Áбí¿ò(ÈÕÆÚ£ºyear month day)
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function strToDate(){
var nowDate = new Date();
var oldDate = '2009-06-08';
var oldTime = '16:00';
var year = oldDate.substr(0,4);
var month = oldDate.substr(5,2);
var day = oldDate.substr(8,2);
var temDate = month+'/'+day+'/ ......

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var today = new Date();
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var newyear = new Date("December 31, 1998 23:59:59");
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var bday = new Date(75, 1, 16);
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var bday = new Date(75, 1, 16, 12, 0, 0);
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