WQ的技术分享

1.absolute + 负margin .parent { position:relative; } .son { position:absolute; left:50%; top:50%; width:100px; height:100px; margin-left:-50px; margin-top:-50px; } 2.absolute + margin auto .parent { position:relative; } .son { position:absolute; left:0; top

<div class="dropdown fleft"> <!-- <button class="dropbtn listxx">更多赛事</button> --> <div class="dropbtn listxx">更多赛事</div> <div class="dropdown-content"> <a href="javascript:;" :...

1.如图 2.实现 中 data中actived一开始为false 方法中 gbys () { this.ddh = JSON.parse(window.localStorage.getItem(‘ddh’)) console.log(this.yhid) console.log(this.fxid) this.actived = !this.actived console.log(this.actived) }, style中 .actived{ position