JS怎样实现鼠标移过显示下拉框?
发布时间:2022-02-25 13:48:21 所属栏目:语言 来源:互联网
导读:下拉框菜单相信大家都比较熟悉,那么鼠标经过显示下拉框效果是怎么做的呢?这篇文章就给大家分享一下用JavaScript实现鼠标经过显示下拉框代码,感兴趣的朋友可以参考,实现效果和代码如下。 代码: !DOCTYPE html html lang=en head meta charset=UTF-8 meta
下拉框菜单相信大家都比较熟悉,那么鼠标经过显示下拉框效果是怎么做的呢?这篇文章就给大家分享一下用JavaScript实现鼠标经过显示下拉框代码,感兴趣的朋友可以参考,实现效果和代码如下。 代码: <!DOCTYPE html> <html lang="en"> <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> <style> * { margin: 0; padding: 0; } .nav { margin: 100px auto; width: 500px; } .nav>li { float: left; } li { list-style: none; } a { display: block; text-decoration: none; color: gray; height: 40px; width: 100px; text-align: center; line-height: 40px; box-sizing: border-box; } .nav>li>a { color: black; } .nav>li>a:hover { background-color: lightgray; } .nav>li>ul>li>a { /* display: none; */ border: 1px solid orange; border-top: none; } .nav>li>ul>li>a:hover { background-color: lightyellow; } .nav>li>ul { display: none; } </style> </head> <body> <ul class="nav" id=nav> <li> <a href="#" >新浪</a> <ul> <li><a href="#">新闻</a> </li> <li><a href="#">体育</a> </li> <li><a href="#">快讯</a> </li> <li><a href="#">生活</a> </li> <li><a href="#">微博</a> </li> </ul> </li> <li> <a href="#" >新浪</a> <ul> <li><a href="#">新闻1</a> </li> <li><a href="#">体育1</a> </li> <li><a href="#">快讯1</a> </li> <li><a href="#">生活1</a> </li> <li><a href="#">微博1</a> </li> </ul> </li> <li> <a href="#" >新浪</a> <ul> <li><a href="#">新闻2</a> </li> <li><a href="#">体育2</a> </li> <li><a href="#">快讯2</a> </li> <li><a href="#">生活2</a> </li> <li><a href="#">微博2</a> </li> </ul> </li> </ul> <script> var heads = document.querySelectorAll('.nav>li'); for (var i = 0; i < heads.length; i++) { heads[i].onmouseover = function() { this.children[1].style.display = "block"; } heads[i].onmouseout = function() { this.children[1].style.display = "none"; } } </script> </body> </html> (编辑:周口站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |