<script>
function showdiv()
{
document.all.myimg.style.display='block';
document.all.myimg.style.top=event.srcElement.offsetTop+event.srcElement.offsetHeight;
document.all.myimg.style.left=event.srcElement.offsetLeft;
}
</script>
<input onfocus=showdiv()>
<input onfocus=showdiv()>
<input onfocus=showdiv()>
<input onfocus=showdiv()>
<div id=myimg style="position:absolute;top:0;left:0;display:none"><img src=1.jpg></div>
function showdiv()
{
document.all.myimg.style.display='block';
document.all.myimg.style.top=event.srcElement.offsetTop+event.srcElement.offsetHeight;
document.all.myimg.style.left=event.srcElement.offsetLeft;
}
</script>
<input onfocus=showdiv()>
<input onfocus=showdiv()>
<input onfocus=showdiv()>
<input onfocus=showdiv()>
<div id=myimg style="position:absolute;top:0;left:0;display:none"><img src=1.jpg></div>
在会引起焦点发生变化的事件里处理,如:keypress, click
返回的总是0px?