let overflowX = "auto";
let overflowY = "auto";
let scrollLeft = 0;
let scrollTop = 0;
let isScrolling;

const handleScroll = e => {
  const element = e.target;
  window.clearTimeout(isScrolling);

  isScrolling = window.setTimeout(() => {
    overflowX = "auto";
    overflowY = "auto";
    console.log("滚动停止");
  }, 250);

  if (scrollLeft !== element.scrollLeft) {
    scrollLeft = element.scrollLeft;
    overflowY = "hidden";
    console.log(1);
    console.log("水平滚动：" + scrollLeft);
  }

  if (scrollTop !== element.scrollTop) {
    scrollTop = element.scrollTop;
    overflowX = "hidden";
    console.log(2);
    console.log("垂直滚动：" + scrollTop);
  }
};