<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8"/>
<title>位置</title>
<script language="javascript" type="text/javascript">
function m(){
document.getElementById("area").innerHTML=event.clientX +" , "+event.clientY;
} 
function c(){
 var objTop = getOffsetTop(document.getElementById("d"));//對象x位置
 var objLeft = getOffsetLeft(document.getElementById("d"));//對象y位置
 var mouseX = event.clientX+document.body.scrollLeft;//鼠標x位置
 var mouseY = event.clientY+document.body.scrollTop;//鼠標y位置
//計算點擊的相對位置
 var objX = mouseX-objLeft;
 var objY = mouseY-objTop;
 clickObjPosition = objX + "," + objY;
 alert(clickObjPosition);
}
function getOffsetTop(obj){
  var tmp = obj.offsetTop;
  var val = obj.offsetParent;
  while(val != null){
    tmp += val.offsetTop;
    val = val.offsetParent;
  }
  return tmp;
}
function getOffsetLeft(obj){
  var tmp = obj.offsetLeft;
  var val = obj.offsetParent;
  while(val != null){
    tmp += val.offsetLeft;
    val = val.offsetParent;
  }
  return tmp;
}
</script>
</head>
<body style="margin:0px;" onmousemove="m();">
<div style="padding:90px;border:1px solid #ccc;font-size:36px;width:800px;height:800px;"> </div>
<div id="area"></div>
<div style="width:1400px;height:300px;border:1px solid red;padding-left:1200px;">
 <div id="d" style="width:200px;height:200px;border:1px solid green;padding:10px;cursor:hand;" onclick="c()">這里是圖片，因為我用div邊框1px，所以兩個div會有2px的位置偏移，你可以自己調(diào)整</div>
</div>
</body>
</html>

希望本文所述對大家JavaScript程序設計有所幫助。

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