返回顶部

<div id="top-cont" @click="backTop">
    <img class="img" src="../../assets/images/mineimgs/backtop3.png" alt="">
 </div>


backTop () {
      let top = document.documentElement.scrollTop || document.body.scrollTop;
      // 实现滚动效果
      const timeTop = setInterval(() => {
        document.body.scrollTop = document.documentElement.scrollTop = top -= 50
        if (top <= 0) {
          clearInterval(timeTop)
        }
      }, 10);
 },

返回顶部 带有动画效果；