​x
 
<!DOCTYPE html>
<html>
<head>
<style>
div {
  width: 500px;
  height: 300px;
  border: 1px solid black;
  text-align: center;
}
</style>
</head>
<body>
​
<p>单击下面的 div 元素可获取鼠标指针在单击时的 x（水平）和 y（垂直）坐标。</p>
​
<div onclick="showCoords(event)"><p id="demo"></p></div>
​
<p><b>提示：</b>请尝试单击 div 中的不同位置。</p>
​
<script>
function showCoords(event) {
  var cX = event.clientX;
  var sX = event.screenX;
  var cY = event.clientY;
  var sY = event.screenY;
  var coords1 = "client - X: " + cX + ", Y coords: " + cY;
  var coords2 = "screen - X: " + sX + ", Y coords: " + sY;
  document.getElementById("demo").innerHTML = coords1 + "<br>" + coords2;
}
</script>
​
</body>
</html>
​