Question

js用setattribute设置style不起作用

<script language="JavaScript">
function on(o){
o.setAttribute("style","background-color:red;cursor:pointer");
}
</script>
<td onmouseover="on(this)">录入修改</td>

Answer 1

function on(o){
       o.style.cssText = "background-color:red;cursor:pointer";
     }

Answer 2

用o.style.backgroundColor = 'red';o.style.cursor = 'pointer';代替