摘要：<!DOCTYPE html><html><head> <title>changr Div</title></head><style type="text/css">#box{ height:100px; width:100px; background:red; margin:20px 60px
<!DOCTYPE html>
<html>
<head>
<title>changr Div</title>
</head>
<style type="text/css">
#box{
height:100px;
width:100px;
background:red;
margin:20px 60px;
}
</style>
<body>
<div id="box"></div>
<input type="button" value="变高" onclick="aa()">
<input type="button" value="变长" onclick="bb()">
<input type="button" value="变色" onclick="cc()">
<input type="button" value="变圆" onclick="dd()">
<input type="button" value="重置" onclick="ee()">
<input type="button" value="隐藏" onclick="ff()">
<input type="button" value="显示" onclick="gg()">
<script type="text/javascript">
var box
window.onload=function(){
box=document.getElementById("box")
}
function aa() {
box.style.height="500px"
}
function bb(){
box.style.width="500px"
}
function cc(){
box.style.background="pink"
}
function dd(){
box.style.borderRadius="250px"
}
function ee(){
box.style.borderRadius="0px"
box.style.background="red"
box.style.width="100px"
box.style.height="100px"
}
function ff(){
box.style.display="none"
}
function gg(){
box.style.display="block"
}
</script>
</body>
</html>
批改老师：灭绝师太批改时间：2018-11-16 11:21:03
老师总结：完成的棒棒哒！还需要自己找点案例练练手，巩固一下
