<div id="test"></div>
用js改变style的属性:
document.all.test.style.top = 位置;
document.all.test.style.left = 位置;
document.all.test.style.width = 宽度;
document.all.test.style.height = 高度;
document.all.test.style.visibility="visible";
用js改变style的属性:
document.all.test.style.top = 位置;
document.all.test.style.left = 位置;
document.all.test.style.width = 宽度;
document.all.test.style.height = 高度;
document.all.test.style.visibility="visible";
<input type=button onclick="show()" value="Show">
<script>
function show()
{
//event.clientX,event.clientY取得鼠标事件的X座标,和Y座标.
bao.style.left = event.clientX+10;
bao.style.top = event.clientY+10;
bao.style.display = "block";
}
</script>