lovecoding
/
VIP26


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 200px;
            height: 200px;
            background: #00f;
            position: absolute;
        }
        #btn {
            margin-top: 240px;
        }
    </style>
</head>
<body>
    <div class="box"></div>
    <button id="btn">改变颜色</button>
    <ul class="list">
        <li id="a">12</li>
        <li id="b">34</li>
        <li id="c">56</li>
        <li id="d">78</li>
    </ul>
    <button class="changeBtn">改变列表颜色</button>
    
    <script src="../js/2.小例子.js"></script>
</body>
</html>