<!DOCTYPE html>html
<html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .menu{ height: 38px; background-color: #eeeeee; line-height: 38px;jquery
} .mao{ background-color: aqua; } .hider{ display: none; } .menu .menu-item{ float: left; border-right: 1px; padding-left: 10px; padding-right: 10px; cursor: pointer; } .content{ min-height: 100px; border: 1px solid #eeeeee; } </style>
</head> <body> <div style="width: 700px;margin:0 auto"> <div class="menu"> <div class="menu-item mao" a="1">菜單一</div> <div class="menu-item" a="2" >菜單二</div> <div class="menu-item" a="3">菜單三</div> </div> <div class="content"> <div class="" b="1">內容一</div> <div class="hider" b="2">內容二</div> <div class="hider"b="3">內容三</div> </div> </div> <script src="jquery-1.12.4.min.js"></script> <script> $('.menu .menu-item').click(function () { $(this).addClass('mao'); $(this).siblings().removeClass('mao'); var target=$(this).attr('a'); $('.content').children("[b='"+target+"']").removeClass('hider').siblings().addClass('hider')ide
})
</script> </body> </html>this