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<head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <script src="jquery-3.6.0.js"></script> <style> * { margin: 0; padding: 0; }
.nav { margin: 50px }
ul { list-style: none; }
ul li { float: left; text-align: center;
}
ul li a { display: block; width: 100px; padding: 10px 0; text-decoration: none; color: black; }
ul li ul { display: none; }
ul li ul li { float: none; width: 100px; padding: 10px 0; border: 1px solid rgb(244, 99, 3); box-sizing: border-box; }
ul li ul li:hover { background-color: rgb(244, 99, 3); color: white; }
ul li a:hover { color: white; background-color: grey; } </style> </head>
<body> <ul class="nav"> <li> <a href="">微博</a> <ul> <li>text</li> <li>text</li> <li>text</li> </ul> </li> <li> <a href="">微博</a> <ul> <li>text</li> <li>text</li> <li>text</li> </ul> </li> <li> <a href="">微博</a> <ul> <li>text</li> <li>text</li> <li>text</li> </ul> </li> <li> <a href="">微博</a> <ul> <li>text</li> <li>text</li> <li>text</li> </ul> </li> </ul> <script>
$(function () { $('.nav li').mouseover(function () { $(this).children('ul').show() })
$('.nav li').mouseout(function () { $(this).children('ul').hide() }) }) </script> </body>
</html>
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