vue滚动到指定位置后跟随滚动

vue yekong 677℃

html

<div class="table-main" id="table" :class="{fixed:fixed}"></div>

js

document.addEventListener("scroll", this.getHeight);
getHeight() {
      this.wheight = $(window).height() - 170;
      var mTop = $('#table').offset();
      var sTop = $(document).scrollTop();
      if (mTop) {
        this.scrolltop = mTop.top - 60;
        if (mTop.top < sTop) {
          this.fixed = true;
        } else {
          this.fixed = false;
        }
      } else {
        this.fixed = false;
      }
    },

css

.fixed  {
  position: fixed;
  top: 60px;
  z-index: 100;
}
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