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jQuery使用方式2018年4月3日09:00:43
清雨的博客
Original
797 people have browsed it


实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>jquery</title>
	<!-- cdn引用jQuery -->
	<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
	<!-- 本地引入jQuery -->
	<script type="text/javascript" src="./js/jquery-3.3.1.js"></script>
	<style type="text/css">
		.list {
			float: left;
			list-style-type: none;
			background-color: #F70505;
			font-weight: bold;
			margin: 10px;
		}

	</style>
</head>
<body>
	<h2>京东</h2>
	<ul id="box">
		<li>家用电器
			<ul>
				<li>电视</li>
				<li>空调</li>
				<li>洗衣机</li>
				<li>冰箱</li>
				<li>厨卫大电</li>
				<li>厨房小电</li>
				<li>生活电器</li>
				<li>个人健康</li>
				<li>家庭音影</li>
			</ul>
		</li>
		<li>手机
			<ul>
				<li>苹果</li>
				<li>华为</li>
				<li>三星</li>
				<li>小米</li>
				<li>oppo</li>
				<li>vivi</li>
				<li>联想</li>
				<li>锤子</li>
			</ul>
		</li>
	</ul>
	<script type="text/javascript">
		// $(document).redy(function(){
		// 	$('ul>li').addClass('list')
		// })
		// 简写
		$(function(){
			$('#box > li').addClass('list')
		})
	</script>

    <script type="text/javascript">
    	$('h2').click(function(){
    		alert('www.jd.com')
    	})
    	var title=$('<span>京东JD.COM-专业的综合网上购物商城,销售家电、数码通讯、电脑、家居百货、服装服饰、母婴、图书、食品等数万个品牌优质商品.便捷、诚信的服务,为您提供愉悦的网上购物体验!</span>')
    	title.insertAfter('h2').css('color','#C5DE3C')
    </script>

</body>
</html>

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