<span style="position: absolute; width: 100px; height: 100px; left: 126px; top: 48px;overflow:hidden" onclick="alert('1:'+this.scrollWidth+','+this.scrollHeight);alert('2:'+this.offsetWidth+','+this.offsetHeight);">
ddddddddddddddddddddddddddddd
<br><br>
<br><br>
</span>
ddddddddddddddddddddddddddddd
<br><br>
<br><br>
</span>
scrollHeightJK兄,近来可好? ^_^