array.isEmpty()

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.

Test if the Array is empty.

Signature

isEmpty() => Boolean

Description

The isEmpty() method tests if the Array is empty.

Parameters

None

Return value

Type Description

Boolean

Empty state of the Array:
true = The Array is empty.
false = The Array isn’t empty.

Examples

let iter = []
iter.isEmpty()
true

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