<label id=mylbl>测试</lable>
<INPUT type="button" value="Button" id=button1 name=button1 onclick="alert(mylbl.offsetHeight);alert(mylbl.offsetWidth);">
<INPUT type="button" value="Button" id=button1 name=button1 onclick="alert(mylbl.offsetHeight);alert(mylbl.offsetWidth);">
怎么没有以上兄台所说的属性?