Home > @i2analyze/notebook-sdk > data > IKeyedReadOnlyCollection > has

data.IKeyedReadOnlyCollection.has() method

Tests whether an object with the specified key exists.

Signature:

has(key: K): boolean;

Introduced: version 1.0

Parameters

Parameter	Type	Description
key	K	The key of the object to check for presence in the collection.

Returns:

boolean

true if the object exists in the collection; false otherwise.