<!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"> <title>右侧划出</title> <style> .menu-mobile{position:fixed;right:-260px;width:260px;height:100%;top:0;z-index:10;text-align:left;background-color:red;} .menu-mobile.menu-open{right:0} .menu-mobile{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease} </style> </head> <body> <div class="menu-mobile" id="menu-mobile"></div> <a href="javascript:;" id="menuToggle">筛选</a> <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script> <script> $('#menuToggle').on('click', function () { $('#menu-mobile').toggleClass('menu-open'); }); </script> </body> </html>