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22.js与jq实现更换主题-2019-02-01
万物皆对象
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<HTML>

<!DOCTYPE html>
<html>
<head>
	<title>js与jq实现更换主题</title>
	<script src="http://code.jquery.com/jquery-3.1.1.min.js"></script>
	<link rel="stylesheet" href="theme0.css" id="theme">
	<script type="text/javascript">
		// js方法 在<span>标签 onclick 调用此函数
		// function changeThme(num){
		// 	var nodeList = document.getElementById('theme');
		// 	console.log(nodeList);
		// 	var theme = 'theme0.css';
		// 	(num==1) ? theme = 'theme1.css' : '';
		// 	(num==2) ? theme = 'theme2.css' : '';
		// 	(num==3) ? theme = 'theme3.css' : '';
		// 	nodeList.setAttribute('href',theme);
		// }

		// jQuery方法
		$(document).ready(function(){
			$('.theme').click(function(){
				var num = $(this).attr('name');
				$('#theme').attr('href','theme'+num+'.css');
			});
		});

	</script>
</head>
<body>
	<div class="big-box">
		<nav>
			<span>首页</span>
			<span>动画</span>
			<span>番剧</span>
			<span>国创</span>
			<span>音乐</span>
			<span>舞蹈</span>
			<span>游戏</span>
			<span>科技</span>
			<span>数码</span>
			<span name="0" class="theme"  style="color: #000;">默认</span>
			<span name="1" class="theme"  style="color: deeppink;">可爱粉</span>
			<span name="2" class="theme"  style="color: green;">自然绿</span>
			<span name="3" class="theme"  style="color: blue;">天空蓝</span>
		</nav>
		<div class="content">
			<div class="left shine_red"></div>
			<div class="right shine_red"></div>
		</div>
	</div>
</body>
</html>

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CSS  3个css都是一样的 只不过背景图和颜色不同

*{margin: 0;padding: 0;}

body{background: url(images/1.jpg) no-repeat;}
.big-box{width: 1000px;height: 600px;margin: 0 auto;}
nav{width: 100%;height: 40px;background: pink;opacity: 0.6;box-shadow: 0px 0px 20px deeppink;
	border-bottom-right-radius: 6px;border-bottom-left-radius: 6px;}
nav span{width: 100px;height: 40px;line-height: 40px;text-align: center;cursor: pointer;
	margin-left: 20px;font-size: 13px;color: #7b7b7b;}
.theme{float: right;margin-left: -35px;}




.content{width: 1000px;height: 580px;margin-top: 10px;z-index: 90;}
.content .left{width: 240px;height: 580px;background: pink;float: left;
	border-radius: 6px;opacity: 0.6;}
.content .right{width: 750px;height: 580px;background: pink;float: left;
	margin-left: 10px;border-radius: 6px;opacity: 0.6;}

@-webkit-keyframes  shineRed {  
	from { -webkit-box-shadow: 0 0 5px #bbb; }  
	50% { -webkit-box-shadow: 0 0 30px deeppink; }  
	to { -webkit-box-shadow: 0 0 5px #bbb; }  
	}   
	.shine_red{  
	-webkit-animation-name: shineRed;   
	-webkit-animation-duration: 5s;  
	-webkit-animation-iteration-count: infinite;   
}

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666.jpg

Correction status：qualified

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