左侧菜单
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Title</title> <style> .header{ background-color: black; color: wheat; } .content{ min-height: 50px; } .hide{ display: none; } </style> </head> <body> <div style="height:400px; 200px;border: 1px solid #dddddd"> <div class="item"> <div class="header">标题一</div> <div id="i1" class="content hide">内容</div> </div> <div class="item"> <div class="header">标题二</div> <div class="content hide">内容</div> </div> <div class="item"> <div class="header">标题三</div> <div class="content hide">内容</div> </div> </div> <script src="jquery-1.12.4.js"></script> <script> $(".header").click(function () { $(this).next().removeClass('hide').parent().siblings().find(".content").addClass("hide") //next获取下一个标签 }) </script> </body> </html>