<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>21-jQuery操作CSS样式的方法</title>
<script type="text/javascript" src ="https://code.jquery.com/jquery-1.12.4.js"></script>
<script>
$(function () {
//1.逐个设置
$("div").css("width","300px");
$("div").css("height","300px");
$("div").css("background","blue");
//2.链式设置
//链式操作大于3步,建议分开
$("div").css("width","300px").css("height","300px").css("background","blue");
//3.批量设置
$("div").css({
width: "400px",
height: "400px",
background: "yellow"
});
//获取CSS样式值
//传入属性参数
var val = $("div").css("background");
console.log(val);
});
</script>
</head>
<body>
<div></div>
</body>
</html>