css 平滑滚动 scroll-behavior: smooth

凡是需要滚动的地方都加一句scroll-behavior:smooth 来提升滚动体验！

• 经常使用的锚点定位功能就有了平滑定位功能，如

<a href="#">返回顶部</a>

• 全局css中也建议添加

html, body { scroll-behavior:smooth; }

完整范例代码和效果

<template>
  <div class="demo">
    <div class="box">
      <div class="list"><input id="one" readonly />1</div>
      <div class="list bg-blue"><input id="two" readonly />2</div>
      <div class="list bg-olive"><input id="three" readonly />3</div>
      <div class="list bg-orange"><input id="four" readonly />4</div>
    </div>
    <div>
      <label class="click" for="one">1</label>
      <label class="click" for="two">2</label>
      <label class="click" for="three">3</label>
      <label class="click" for="four">4</label>
    </div>
  </div>
</template>

<style scoped>.demo {
  padding-top: 20px;
  padding-bottom: 20px;
  text-align: center;
}
.box {
  width: 20em;
  height: 10em;
  line-height: 10em;
  scroll-behavior: smooth;
  overflow: hidden;
  margin: auto;
}
.list {
  height: 100%;
  background: #ddd;
  text-align: center;
  position: relative;
  font-size: 8em;
}
.list > input {
  position: absolute;
  top: 0;
  height: 100%;
  width: 1px;
  border: 0;
  padding: 0;
  margin: 0;
  clip: rect(0 0 0 0);
}

.click {
  display: inline-block;
  width: 2em;
  height: 2em;
  line-height: 2em;
  border: 1px solid #ccc;
  background: #f7f7f7;
  color: #333;
  font-size: 1em;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  margin: 0.5em;
}

.bg-orange {
  background-color: #fccba2;
}

.bg-olive {
  background-color: #b9f2d8;
}

.bg-blue {
  background-color: #89c6fc;
}</style>