百度疫情tab

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百度疫情tab

百度疫情
一个小东西,说实话让我写 没有产品特定的效果,我可能不会这么写,不过无意中看到了算是拓展下思路:
用隐藏的复选框作为二选一的标识,label包裹,充分利用伪元素,减少标签渲染,before白色块作为主要动画元素,after做瞬变无动画,包裹当前活跃标签,left控制偏移,content修改标签内容


html:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
 
<input type="checkbox" id="checkBox">
   <div >
  <label for="checkBox" ></label>
       
  </div>
</body>
  
</html>

css:

label::before {
  position:absolute;
  left: 0;
  top: 0;
  z-index:3;
  content: '现有确诊';
  display: flex;
  width: 50%;
  height: 41px;
  background-color: #fff;
  justify-content:center;
  align-items: center;
  transition: all .2s ease;
  font-weight: 700;
  box-sizing: border-box;
}
label::after {
  position:absolute;
  left: 50%;
  top: 0;
  content: '累计确诊';
  display: flex;
  width: 50%;
  height: 45px;
  justify-content:center;
  align-items: center;
  /* transition: all .2s ease; */
}
label {
  position: relative;
  display:block;
  /* width: 1 */
  height: 100%;
  box-sizing: border-box;
}
.wr {
  width: 400px;
  height: 45px;
  padding: 2px;
  box-sizing: border-box;
  background-color: #dfdfdf;
  /* transition: all .2s; */
}
#checkBox {
  display: none;
}
#checkBox:checked+.wr>.label::after {
  left: 0;
  content: '现有确诊';
  /* transition: all .2s; */
}

#checkBox:checked+.wr>.label::before {
  left: 50%;
  content: '累计确诊';
  /* transition: all .2s; */
}
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