ReadOnlyObservableCollection.includes

API / ReadOnlyObservableCollection<TItem> / includes method

Checks whether the provided item is contained by the collection.

This is a public method.

public includes(searchElement: TItem, fromIndex?: number): boolean

Parameters

• searchElement: TItem, the item to search for.
• fromIndex: Number, optional, the index from where to start the search.

Returns: Boolean

Returns true if the provided item is found in the collection; otherwise false.

See

• Array.includes