另解决方法：
<body onscroll="asd()"><div id="a" style="position:absolute; 250px; height:50px; border:1px solid #000000; left:300px; top:300px;"></div><div style=" top:300px; 120%; height:2000px;"></div></body><script>var obj =document.getElementById("a")function asd(){obj.style.left=300+document.body.scrollLeftobj.style.top=300+document.body.scrollTopobj.innerHTML="scrollLeft:"+document.body.scrollLeft+" scrollTop:"+document.body.scrollTop}</script>
转载请注明出处
另解决方法：
<body onscroll="asd()">
<div id="a" style="position:absolute; 250px; height:50px; border:1px solid #000000; left:300px; top:300px;"></div>
<div style=" top:300px; 120%; height:2000px;">
</div>
</body>
<script>
var obj =document.getElementById("a")
function asd(){
obj.style.left=300+document.body.scrollLeft
obj.style.top=300+document.body.scrollTop
obj.innerHTML="scrollLeft:"+document.body.scrollLeft+" scrollTop:"+document.body.scrollTop
}
</script>