????：<!DOCTYPE html><html><head> <title></title> <style type="text/css"> #box{width: 100px;height: 100px;background: pink; margin:20px 80px;} </style>
<!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="變高" onclick="aa()">
<input type="button" value="變寬" onclick="bb()">
<input type="button" value="變色" onclick="cc()">
<input type="button" value="重置" onclick="dd()">
<input type="button" value="隱藏" onclick="ee()">
<input type="button" value="顯示" 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屬性
?? ???：天蓬老師?? ??：2018-12-16 09:00:43
???? ??：js中的css控制, 大多是直接操作元素的style屬性,這是一個對象, 其實還可以操作計算屬性,可以參考一些專業(yè)書看看