setExpression 谁用过
……
<tr style= "PosITION: relative; z-Index:2;top:expression(this.offsetParent.scrollTop);">
……
<script >
……
TmpRow.style.setExpression("TOP","document.body.scrollTop");
alert (TmpRow.style.getExpression("top"));
<script >
发现 结果还是 this.offsetParent.scrollTop;
谁有 setExpression的经验?