docs: function resetLeftHeight() {
      if (!this.options.needResetHeight) {
          return;
      }
      this.resetLeftHeightTimes = 0;
      var self = this;
      if (this.resetLeftHeightSetTimeout) clearTimeout(this.resetLeftHeightSetTimeout);
      this.resetLeftHeightSetTimeout = setTimeout(function () {
          resetLeftHeightFun.call(self);
      }, 100);
  }