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8-3-鼠标坐标.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
#div1 {width:100px; height:100px; background:red; position:absolute;}

</style>
<script>
function getPos(ev)
{
	var scrollTop=document.documentElement.scrollTop||document.body.scrollTop;
	var scrollLeft=document.documentElement.scrollLeft||document.body.scrollLeft;
	return {x:ev.clientX+scrollLeft, y:ev.clientY+scrollTop};
}
document.onmousemove=function(ev)
{
	var oEvent=ev||event;
	var oDiv=document.getElementById('div1');

	var pos=getPos(oEvent);

	oDiv.style.left=pos.x+'px';
	oDiv.style.top=pos.y+'px';
};
</script>
</head>

<body>
<div id="div1"></div>
</body>
</html>