?????
<script type="text/javascript">
var star =document.getElementId('con');
star.style.color="red";
star.style.backgroundColor="#ccc";
star.style.display="none";
var star =document.getElementId('con');
star.style.color="red";
star.style.backgroundColor="#ccc";
star.style.display="none";
</script>
我也没有见有颜色的变化啊,,还是黑色也不是红色,,????????、这是怎么回事南??