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兼容IE FF Opera的javascript最短的拖动代码

时间：2021-07-01 10:21:17 帮助过：33人阅读

<!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><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<script language="JavaScript" type="text/javascript"> 
var x,y 
var drag_=false 
var D=new Function('obj','return document.getElementById(obj);') 
var IE=new Function('','if(navigator.appName.indexOf("Explorer")>=0)return 1;if(navigator.appName.indexOf("Netscape")>=0)return 2') 
function Move_obj(obj){//1 
                     D(obj).onmousedown=function(e){drag_=true//4 
                              with(this){style.position="absolute";temp1=offsetLeft;temp2=offsetTop;//5 
                              if(IE()==1){x=event.clientX;y=event.clientY//6 
                                  document.onmousemove=function(e){//7 
                                        if(drag_==false)return false 
                                     with(this){style.left=temp1+event.clientX-x+"px";style.top=temp2+event.clientY-y+"px"} 
                                     }//7 
                              }//6 
                              if(IE()==2){x=e.pageX;y=e.pageY;//8 
                                  document.onmousemove=function(e){//9 
                                        if(drag_==false)return false 
                                     with(this){style.left=temp1+e.pageX-x+"px";style.top=temp2+e.pageY-y+"px"} 
                                     }//9 
                              }//8 
                        }//5 
           document.onmouseup=new Function("drag_=false") 
                     }//4 
}//1 
</script> 
<body> 
这个是可以拖动的层

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

兼容IE FF Opera的javascript最短的拖动代码

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