transition-分栏按钮动画

   =》

css:

.cateBtn{
  position: relative;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  text-align: center;
  width: 30px;
  height: 30px;
  display: inline-block;
}
.cateLine,.cateLine::after,.cateLine::before{
  position: absolute;
  width: 20px;
  height: 2px;
  background: red;
  transition: all .3s linear 0s;
}
.cateLine{
  display: inline-block;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}
.cateLine::after{
  content: "";
  bottom: 6px;
  left: 0px;
}
.cateLine::before{
  content: "";
  top: 6px;
  left: 0px;
}
 
.open .cateLine{
  background: rgba(0,0,0,0);
}
.open .cateLine::after{
  bottom: 0px;
  transform: rotate(135deg);
}
.open .cateLine::before{
  top: 0px;
  transform: rotate(45deg);
}
html:
<a class="cateBtn">
  <span class="cateLine">

  </span>
</a>
js:
$(".cateBtn").on("click",function(){
  $(this).toggleClass("open");
})

 

 

posted @ 2019-01-23 14:45  雨夜稻草  阅读(220)  评论(0编辑  收藏  举报