ReadOnlyObservableCollection.concat

API / ReadOnlyObservableCollection<TItem> / concat method

Merges the current collection with the given Array and returns a new JavaScript Array.

public concat(
  ...items: readonly (TItem | readonly TItem[])[]
): TItem[]

Source reference: src/collections/observableCollections/ReadOnlyObservableCollection.ts:201.

Parameters

• items (rest): readonly (TItem | readonly TItem[])[]
  The items to concatenate.

Returns: TItem[]

Returns a new Array containing the items of this collection followed by the items in the provided Array.

See also

• Array.concat