<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title></title>
<style type="text/css">
#box{width: 100px;height: 100px;background: red;margin: 20px 80px;}
</style>
</head>
<body>
<!-- 用按钮控制DIV的高度、宽度、颜色、重置、赢藏、显示 -->
<script type="texe/javascript">
var box
window.onload=function(){
box=document.getElementById("box")
}
function aa(){
box.style.height="400px;"//改变高度
}
function aa(){
box.style.width="400px;"//改变宽度
}
function aa(){
box.style.background="pink" //改变颜色
}
function aa(){
box.style.background="pink"
}
</script>
<div id="box"></div>
<input type="button" value="变高">
<input type="button" value="变宽">
<input type="button" value="变色">
<input type="button" value="重置">
<input type="button" value="赢藏">
<input type="button" value="显示">
</body>
</html>