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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 an Array is empty.

Signature

isEmpty() => Boolean

Description

Tests if the calling Array is empty and contains no elements.

Parameters

None

Return value

Type Description

Boolean

If true, the Array is empty. Otherwise, false.

Examples

let iter = []
iter.isEmpty()
true

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