<SPAN id=setfont style="FONT-SIZE: 14px">文字</SPAN>
<script>
var sfsize=document.getElementById("setfont").currentStyle.fontSize;
alert(parseInt(sfsize));</script>
<script>
var sfsize=document.getElementById("setfont").currentStyle.fontSize;
alert(parseInt(sfsize));</script>
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<script>
function getSize()
{
var sfsize=window.event.srcElement.style.FONTSIZE;
alert(sfsize);
}
</script></HEAD><BODY >
<SPAN id=setfont style="FONTSIZE: 14px;font:黑体；color：gray" onClick="getSize()">文字</SPAN></BODY>
</HTML>