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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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<a href="javascript:void(0);" ><img id="SubmitFeedback" src="/images/comment_btn.gif" /></a>
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$(document).ready(function() {
alert("Ò³ÃæË¢ÐÂ");
$("#SubmitFeedback").bind("click", Test);
});
functi ......

javaScriptʱ¼äº¯Êý

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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Javascript¶¯Ì¬Éú³ÉÏÂÀ­Ñ¡Ïselect£©

1.ÏÈ»ñµÃselect£º
var s = document.getElementById("selectYear");
2.¿ÉÒÔÏÈÒÆ³ýÉÏ´ÎÌí¼ÓµÄoption£¨ÕâÀïҪעÒ⣬ÿ´Îɾ³ýµÄ¶¼ÊǵÚÒ»¸öÔªËØ£¬ÒòΪɾһ¸öÉÙÒ»¸ö£©£º
var l = s.options.length;
for(var i=0;i<l;i++){
    s.options.remove(0);  
}
3.Ìí¼ÓÐÂÔªËØ£¨iÊÇ×Ô¼º¶¨ÒåµÄ£¬¸ù¾Ý× ......

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > 
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document.document ......
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