set.isEmpty()

Test if a Set is empty.

Signature

isEmpty() => Boolean

Description

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

Parameters

None

Return value

Type Description

Boolean

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

Examples

// `toSet()` converts an Array to a Set.
// In thise case, it creates an empty Set.
let set = [].toSet()
set.isEmpty()
true

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