标签：height net inf style box styles sde mat dcl
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/animate.css@3.5.2/animate.min.css"> <style> #box{ width:200px; height: 200px; line-height: 200px; text-align: center; background-color: green; color: #fff; position: absolute; top: 500px; } </style> </head> <body> <body style="height:2000px;"> <div id="box" class="animated infinite bounceOutLeft">春天来了</div> <script src="jquery.js"></script> <script> $(function () { $(document).scroll(function () { var scrollTop = $(this).scrollTop(); console.log(scrollTop) if(scrollTop>400){ $("#box").addClass("animated slideInDown") } }) }) </script> </body> </body> </html>
标签：height net inf style box styles sde mat dcl
原文地址：https://www.cnblogs.com/lxx7/p/9761598.html
