* { margin:0; padding:0; } ul { list-style:none; } .wrap { width:500px; height:300px; margin:100px auto; position:relative; } .wrap:hover .btn { display:block; } .list { width:100%; height:100%; position:relative; } .item { position:absolute; transition:all .8s; opacity:0; } .item.active { z-index:100; opacity:1; } .btn { width:30px; height:60px; font-size:30px; opacity:.5; border:none; position:absolute; top:120px; z-index:1000; cursor:pointer; display:none; } #right { right:0; } #left { left:0; } .pointList { position:absolute; right:20px; bottom:20px; z-index:10000; } .point { width:8px; height:8px; background-color:#969595; border:1px solid #000000; float:left; margin-right:8px; border-radius:100%; cursor:pointer; } .point.active { background-color:white; }
更新时间:2020-07-28 11:15:09
javascript备注写的很详细,仔细看然后理清逻辑很快就可以学会了。