ObservableCollection.copyWithin

API / ObservableCollection<TItem> / copyWithin method

This method overrides ReadOnlyObservableCollection.copyWithin.

Copies items inside the collection overwriting existing ones.

public copyWithin(
  target: number,
  start: number,
  end?: number
): this

Source reference: src/collections/observableCollections/ObservableCollection.ts:130.

Parameters

• target: number
  The index at which to start copying items, accepts both positive and negative values.

• start: number
  The index from which to start copying items, accepts both positive and negative values.

• end: number
  The index until where to copy items, accepts both positive and negative values.

Returns: this

See also

• Array.copyWithin