message: bugfixs when InfinityScroll is destroyed before onResize is called
diff: @@ -70,14 +70,17 @@ function InfiniteScroller(scroller, options) {
  })
  // wait scroll core init
  - setTimeout(() => {
  + this._onResizeHandler = setTimeout(() => {
  this.onResize()
  })
  }
  InfiniteScroller.prototype.destroy = function () {
  + // In extreme scene, destroy is triggered before _onResizeHandler
  + clearTimeout(this._onResizeHandler)
  this.items.forEach((item) => {
  - if (item.node) {
  + // ensure node is a child of this.scrollerEl
  + if (item.node && this.scrollerEl && this.scrollerEl.children.length) {
  this.scrollerEl.removeChild(item.node)
  item.node = null
  }
  