js实现文字向上轮播功能

话不多说,请看实现代码:

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> *{ margin:0; padding:0; } .lunbo{ position: relative; width: 600px; height: 50px; border:1px solid red; overflow: hidden; } ul{ position:absolute; left: 0; top:0; width: 600px; height: auto; } ul li{ width: 600px; height: 50px; line-height: 50px; font-size:20px; color:#333; text-align: center } </style> </head> <body> <div> <ul> <li>人生在世须尽欢 莫使金樽空对月</li> <li>我寄愁心与明月,随风直到夜郎西</li> <li>不是花中偏爱菊,此花开尽更无花</li> <li>辛苦遭逢起一经,干戈寥落四周星</li> <li>山河破碎风飘絮,身世浮沉雨打萍。</li> <li>惶恐滩头说惶恐,零丁洋里叹零丁。</li> <li>人生自古谁无死?留取丹心照汗青。</li> </ul> </div> <script src="https://cdn.bootcss.com/jquery/2.2.2/jquery.js"></script> <script> function lunbo(id,height){ var ul=$(id); var liFirst=ul.find('li:first'); $(id).animate({top:height}).animate({"top":0},0,function(){ var clone=liFirst.clone(); $(id).append(clone); liFirst.remove(); }) } setInterval("lunbo('ul','-50px')",3000) </script> </body> </html>

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