Method clear

handsontable/src/dataMap/dataMap.ts:1020–1026

* Clears the data array.

()

   * Clears the data array.
   */
  clear() {
    for (let r = 0; r < this.hot!.countSourceRows(); r++) {
      for (let c = 0; c < this.hot!.countCols(); c++) {
        this.set(r, this.colToProp(c), '');
      }
    }
  }

  /**
   * Get data length.