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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script src="js/jquery-1.12.4.js"></script>
<script>
$(function () {
// 编写jQuery相关代码
// 1.逐个设置
$("div").css("width", "100px");
$("div").css("height", "100px");
$("div").css("background", "red");
// 2.链式设置
// 注意点: 链式操作如果大于3步, 建议分开
$("div").css("width", "100px").css("height", "100px").css("background", "blue");
// 3.批量设置
$("div").css({
width: "100px",
height: "100px",
background: "red"
});
// 4.获取CSS样式值
console.log($("div").css("background"));;
});
</script>
</head>
<body>
<div></div>
</body>
</html>