摘要：<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=DIVDIV, initial-scale=1.0"><met
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=DIVDIV, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>JavaScript控制DIV样式</title>
<style type="text/css">
#box{width: 100px;height: 100px;background:pink;margin:20px 60px;}
</style>
</head>
<body>
<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"//改变宽度
}
function cc(){
box.style.background="red"//变成红色
}
function dd(){
box.style.height="100px"
box.style.width="100px"
box.style.background="pink"
}
function ee(){
box.style.display="none"
}
function ff(){
box.style.display="block"
}
</script>
<div id="box"></div>
<INPUT type="button" value="变高" onclick=aa()></INPUT>
<INPUT TYPE="button" value="变宽"onclick=bb()></INPUT>
<INPUT TYPE="button" value="变色"onclick=cc()></INPUT>
<INPUT TYPE="button" value="重置"onclick=dd()></INPUT>
<INPUT TYPE="button" value="隐藏"onclick=ee()></INPUT>
<INPUT TYPE="button" value="显示"onclick=ff()></INPUT>
</body>
</html>
批改老师：天蓬老师批改时间：2019-01-25 15:15:45
老师总结：根据html5的标准, 所以html标签,全部采用小写, 以后不要用大写了,尽管不区分
