JS案例－控制DIV
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>JS案例篇-控制DIV</title>
<style>
#box {width: 100px;height: 100px; background: red;margin: 20px 80px;}
</style>
</head>
<body>
<div id="box"></div>
<input type="button" value="变高" onclick="a()">
<input type="button" value="变宽" onclick="b()">
<input type="button" value="变色" onclick="c()">
<input type="button" value="重置" onclick="d()">
<input type="button" value="隐藏" onclick="e()">
<input type="button" value="显示" onclick="f()">
<script>
var box
window.onload=function(){
box=document.getElementById('box')
}
function a() {
box.style.height="400px"
}
function b() {
box.style.width="400px"
}
function c() {
box.style.background="pink"
}
function d() {
box.style.height="100px"
box.style.width="100px"
box.style.background="red"
}
function e() {
box.style.display="none"
}
function f() {
box.style.display="block"
}
</script>
</body>
</html>