获取点坐标

<!--<!DOCTYPE HTML> 
<html> 
<head> 
<style type="text/css"> 
body
{
font-size:70%;
font-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;199px;height:99px;border:1px solid #c3c3c3" onmousemove="cnvs_getCoordinates(event)" onmouseout="cnvs_clearCoordinates()"></div> 
<br /> 
<br /> 
<br /> 
<div id="xycoordinates"></div> 
 
 
</body> 
</html>
-->s

原文地址:https://www.cnblogs.com/kevin2013/p/1768835.html