现在有个动态的表格,表格里的数据是考试分数,要求分数 <60则显示为红色.
我用document.getElementsByName()方法得到元素后,用setAttribute( "style ", "color:red ").
但是为什么没有改变字体颜色呢?
------解决方案--------------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN ">
<html>
<head>
<meta http-equiv= "content-type " content= "text/html; charset=GBK ">
<title> </title>
<script language=javascript>
window.onload=function(){
var o=document.getElementsByTagName( "td ");
for(var i=0;i <o.length;i++){
var e=o[i].style.color= "red ";
}
}
</script>
</head>
<body>
<table border=1>
<tr> <td> ab </td> <td> cd </td>
</tr>
<tr> <td> ef </td> <td> gh </td>
</tr>
</table>
</body>
</html>