Method spliceColumns

index.d.ts:1177–1177

* Cut one or more columns (columns to the right are shifted left) * and optionally insert more * * If column properties have been definde, they will be cut or moved accordingly * * Known Issue: If a splice causes any merged cells to move, the results may be unpredictable * * Also: If t

(start: number, count: number, ...insert: any[][])

	 * the rows will still be shifted as if the values existed
	 */
	spliceColumns(start: number, count: number, ...insert: any[][]): void;

	/**
	 * Add column headers and define column keys and widths.