JS 获取DIV中鼠标相对位置坐标

来源：互联网发布：抓蚊子知乎编辑：程序博客网时间：2024/05/20 07:15

<HEAD>  <TITLE> JS获取DIV相对坐标</TITLE>  <mce:script type="text/javascript"><!--function getX(obj){var parObj=obj;  var left=obj.offsetLeft;   while(parObj=parObj.offsetParent){    left+=parObj.offsetLeft;  }   return left;  }    function getY(obj){  var parObj=obj;  var top=obj.offsetTop;  while(parObj = parObj.offsetParent){   top+=parObj.offsetTop;   }   return top;  }    function DisplayCoord(event){  var top,left,oDiv;  oDiv=document.getElementById("demo");  top=getY(oDiv);  left=getX(oDiv);  document.getElementById("mp_x").innerHTML = (event.clientX-left+document.body.scrollLeft)  -2+"px";  document.getElementById("mp_y").innerHTML = (event.clientY-top+document.body.scrollTop) -2+"px";    } // --></mce:script></HEAD>    <BODY style="margin:40px;" mce_style="margin:40px;">  <div style="background-color:#000000;color:#0011FF;width:300px;height:300px;position:absolute;top:80px;left:90px;margin:0px; border:0px;" id="demo" onmousemove="DisplayCoord(event)">  我是DIV,经测试,有2PX的误差...  </div>  当前鼠标坐标为：  X：<span id="mp_x"></span>  Y：<span id="mp_y"></span>  </body>  </BODY>  </HTML>