兼容IE FF Opera的javascript最短的拖動代碼

2019-11-21 01:50:14

字體：大中小

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<!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> <div   class="iwvjtn8m0"   id="test" style="background-color:#0099CC;width:200px"onmouseover='Move_obj("test")'>這個是可以拖動的層</div>

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