摘要：<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Document</title><style type="text/css">div{width:200px;height:200px;background-col
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
div{width:200px;height:200px;background-color: blue;}
</style>
<script type="text/javascript">
var box
window.onload=function(){
box = document.getElementById('cc');
}
function h(){
box.style.height="400px";
}
function w(){
box.style.width="400px";
}
function c(){
box.style.backgroundColor = 'red';
}
function z(){
box.style.width="100px";
box.style.height="100px";
box.style.backgroundColor = 'blue'
}
function y(){
box.style.display="none";
}
function d(){
box.style.display="block";
}
</script>
</head>
<body>
<div id="cc"></div>
<input type="button" name="" value="变高" onclick="h()">
<input type="button" name="" value="变宽" onclick="w()" >
<input type="button" name="" value="变色" onclick="c()">
<input type="button" name="" value="重置" onclick="z()">
<input type="button" name="" value="隐藏" onclick="y()">
<input type="button" name="" value="显示" onclick="d()">
</body>
</html>
批改老师：灭绝师太批改时间：2019-01-18 13:13:01
老师总结：完成的不错，案例除了老师上课代码，还可以自己拓展哦！
