array.first()

This method operates on an array. You typically fetch documents from a collection as a set, not an Array. For the equivalent Set method, see set instance methods.

For differences between Sets and Arrays, see Sets vs. Arrays.

Get the first element of an Array.

Signature

first() => A | Null

Description

Gets the first element of the calling Array.

Parameters

None

Return value

One of:

Type Description

Generic

First element of the Array.

Null

Returns Null for an empty Array.

Examples

[1, 2].first()
1

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