摘要：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title></title> <style type="text/css"> #box{width: 100px;height: 100px;background: r
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#box{width: 100px;height: 100px;background: red;margin:20px 80px;}
</style>
</head>
<body>
<div id="box"></div>
<input type="button" value="变高" onclick="aa()">
<input type="button" value="变宽" onclick="bb()">
<input type="button" value="变色" onclick="cc()">
<input type="button" value="重置" onclick="dd()">
<input type="button" value="隐藏" onclick="ee()">
<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="400px"//改变高度
}
function bb(){
box.style.width="400px"
}
function cc(){
box.style.background="blue"
}
function dd(){
box.style.height="100px"
box.style.width="100px"
box.style.background="red"
}
function ee(){
box.style.display="none"
}
function gg(){
box.style.display="block"
}
</script>
</body>
</html>
批改老师：天蓬老师批改时间：2019-03-05 13:27:38
老师总结：下次的作业 , 可以有点创意 , 一开始模仿是可以的
