js控制css属性
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
#box{width: 100px;height: 100px;background: pink;
margin:20px 80px;}
</style>
</head>
<body>
<div id="box" onclick=""></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="ff()">
<script type="text/javascript">
var box;
window.onload=function(){
box=document.getElementById('box');
}
function aa()
{
box.style.height="200px";
}
function bb()
{
box.style.width="200px";
}
function cc()
{
box.style.background="black";
}
function dd()
{
box.style.height="100px";
box.style.width="100px";
box.style.background="pink";
box.style.display="block";
}
function ee()
{
box.style.display="none";
}
function ff()
{
box.style.display="block";
}
</script>
</body>
</html>
js控制css style属性