var timer; $("li").on("mouseover",function(){ clearTimeout(timer); timer=null; $(this).addClass("active"); $(this).siblings().removeClass("active"); var $index=$(this).index(); /*$(".wrapper").animate({top:-$index*300});*/ timer=setTimeout(function(){ $(".wrapper").animate({top:-$index*300}); },300) }); $('.dd').find($(".cc")).hover(function(){ $(this).find(".c1").stop().animate({0},100,function(){ $(this).hide().next().show().animate({300},100); }) },function(){ $(this).find(".c2").animate({0},100,function(){ $(this).hide().prev().show().animate({300},100); }) });
*{margin:0;padding:0;box-sizing:border-box} ul{list-style:none;border:1px solid #ccc;border-radius:5px;width:900px;margin:30px auto 10px;} .clearfix{zoom:1;} .clearfix:after{content:".";display:block;width:0;height:0;visibility:hidden;clear: both;} li{float:left;border-right:1px solid #ccc;width:20%;text-align:center;height:30px;line-height:30px;cursor:pointer;} li:last-child{border:none;} li.active{background-color:#0099cc;color:#fff;} .container,.wrapper,.con{height:300px;} .container{width:900px;margin:0 auto;position:relative;overflow:hidden;} .wrapper{position:relative;top:0;} .con{line-height:300px;text-align:center;border:1px solid #ccc;} .dd{margin: 30px auto;width:1200px;} .cc{float:left;width:300px;height:200px;overflow:hidden;margin:20px;} .c1,.c2{width:100%;height:100%;margin:0 auto;text-align:center;line-height:200px;cursor:pointer;overflow:hidden} .c1{background-color:#c01110;} .c2{background-color:#0099cc;}
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> </head> <body> <!--<form action="#"> <select name="" id="sel1"> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> <option value="4">4</option> <option value="5">5</option> <option value="6">6</option> </select> <input type="submit" id="sub" value="提交"/> </form>--> <ul class="clearfix"> <li class="active">选项1</li> <li>选项2</li> <li>选项3</li> <li>选项4</li> <li>选项5</li> </ul> <div class="container"> <div class="wrapper"> <div class="con"> 111111 </div> <div class="con"> 222222 </div> <div class="con"> 33333 </div> <div class="con"> 44444 </div> <div class="con"> 55555 </div> </div> </div> <div class="dd clearfix"> <div class="cc"> <div class="c1">111</div> <div class="c2">222</div> </div> <div class="cc"> <div class="c1">111</div> <div class="c2">222</div> </div> <div class="cc"> <div class="c1">111</div> <div class="c2">222</div> </div> <div class="cc"> <div class="c1">111</div> <div class="c2">222</div> </div> <div class="cc"> <div class="c1">111</div> <div class="c2">222</div> </div> <div class="cc"> <div class="c1">111</div> <div class="c2">222</div> </div> </div> </body> </html>