Method _onDataPush

src/core/core.datasetController.js:1051–1054

()

  }

  _onDataPush() {
    const count = arguments.length;
    this._sync(['_insertElements', this.getDataset().data.length - count, count]);
  }

  _onDataPop() {
    this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]);