<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www./1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>通过style改变局部的样式</title>
<script type="text/javascript">
function red(){
//backgroundColor中的color要大写
document.getElementById("button").style.height="200px"
document.getElementById("button").style.backgroundColor="red"
}
</script>
</head>
<body>
<input id="button" type="button" value="点击改变" onclick="red()"/>
</body>
</html>
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