<html>
<head>
<script language="javascript">
function ao()
{
test_p.className="wo";}
</script>
<style type ="text/css">
.wocao{color="red"}
.wo{color="blue"}</style>
</head><body ><script language="javascript"></script>
<form>
<input type="button" onclick="ao()" value=aaa>
</br></form>
<p id ="test_p" class="wocao" >aaaaaaaaaa</p>
</body>
</html>
<head>
<script language="javascript">
function ao()
{
test_p.className="wo";}
</script>
<style type ="text/css">
.wocao{color="red"}
.wo{color="blue"}</style>
</head><body ><script language="javascript"></script>
<form>
<input type="button" onclick="ao()" value=aaa>
</br></form>
<p id ="test_p" class="wocao" >aaaaaaaaaa</p>
</body>
</html>
解决方案 »
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