<!DOCTYPE HTML>
<html>
<head>
<style type="text/css">body { font-size:70%; family:verdana,helvetica,arial,sans-serif; }
</style>
<script type="text/javascript">
function cnvs_getCoordinates(e)
{
x=e.clientX;
y=e.clientY;
document.getElementById("xycoordinates").innerHTML="Coordinates: (" + x + "," + y + ")";
}
function cnvs_clearCoordinates()
{
document.getElementById("xycoordinates").innerHTML="";
}
</script>
</head>
<body style="margin:0px;">
<p>把鼠标悬停在下面的矩形上可以看到坐标：
</p>
<div id="coordiv" style="float:left;width:199px;height:99px;border:1px solid #c3c3c3" onmousemove="cnvs_getCoordinates(event)" onmouseout="cnvs_clearCoordinates()">
</div><br /><br /><br />
<div id="xycoordinates">
</div>
</body>
</html>
把鼠标悬停在下面的矩形上可以看到坐标：