<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>鼠標(biāo)拖動</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script language="JavaScript" type="text/javascript">
var drag_=false
var D=new Function('obj','return document.getElementById(obj);')
var oevent=new Function('e','if (!e) e = window.event;return e')
function Move_obj(obj){
 var x,y;
 D(obj).onmousedown=function(e){
 drag_=true;
 with(this){
  style.position="absolute";
  var temp1=offsetLeft;
  var temp2=offsetTop;
  x=oevent(e).clientX;y=oevent(e).clientY;
  document.onmousemove=function(e){
  if(!drag_)return false;
  with(this){
   style.left=temp1+oevent(e).clientX-x+"px";
   style.top=temp2+oevent(e).clientY-y+"px";
  }
  }
 }
 document.onmouseup=new Function("drag_=false");
 }
}
</script>
<body>
<div id="drag" style="background-color:#0066CC;width:280px;
height:160px;padding:20px;border:1px #003399 solid;
font-size:10.5pt;color:white" onmouseover='Move_obj("drag")'>
<p>這個層是可以拖動的，而且還可以吸附鼠標(biāo)，試試看！</p>
<p>/</p>
</div>
</body>
</html>

希望本文所述對大家的javascript程序設(shè)計有所幫助。

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