message: remove all tombstones when stop infinity scrolling
diff: @@ -79,8 +79,7 @@ InfiniteScroller.prototype.destroy = function () {
  // In extreme scene, destroy is triggered before _onResizeHandler
  clearTimeout(this._onResizeHandler)
  this.items.forEach((item) => {
  - // ensure node is a child of this.scrollerEl
  - if (item.node && this.scrollerEl && this.scrollerEl.children.length) {
  + if (item.node) {
  this.scrollerEl.removeChild(item.node)
  item.node = null
  }
  @@ -211,7 +210,8 @@ InfiniteScroller.prototype._removeTombstones = function () {
  const currentNode = this.items[i].node
  const currentData = this.items[i].data
  if ((!currentNode || isTombstoneNode(currentNode)) && !currentData) {
  - if (!markIndex) {
  + // 0 should be excluded
  + if (markIndex !== void 0) {
  markIndex = i
  }
  if (currentNode) {
  