abstract:导航菜单下有一个下划线,当鼠标指向某一菜单时,下划线跟随<!doctype html> <html> <head> <meta charset="UTF-8"> <title>下划线跟随</title> <script src="jquery/jquery-3.
导航菜单下有一个下划线,当鼠标指向某一菜单时,下划线跟随
<!doctype html> <html> <head> <meta charset="UTF-8"> <title>下划线跟随</title> <script src="jquery/jquery-3.3.1.min.js"></script> <style> *{margin: 0px;padding: 0px;} ul{list-style:none;z-index: 20;position:relative;font-size: 16px;/*text-align: center;*/} li{float:left; width: 100px;height: 32px;/*text-align: center;*/line-height: 32px;color: #fff;font-weight: bold;} .daohang{width: 600px;position: relative;margin: 20px auto;height: 32px;background: #ccc;text-align: center;} </style> <script> $(function(){ $("li").hover( function(){ $a=parseInt($(this).attr("name"))*100; $(".xiahuaxian").stop().animate({left:$a+"px"},300); }, function(){ $(".xiahuaxian").stop().animate({left:"0px"},300) } ) }) </script> </head> <body> <div> <ul> <li name="0">网站首页</li> <li name="1">国内新闻</li> <li name="2">国际新闻</li> <li name="3">奇闻趣事</li> <li name="4">联系我们</li> </ul> <div style="width: 90px;height: 2px;background: red;position: absolute;top: 32px;z-index: 10;"></div> </div> </body> </html>
Correcting teacher:天蓬老师Correction time:2019-03-28 10:01:45
Teacher's summary:这个作业, 一定要注意定位功能的使用, 跟踪用户的操作