Skip to content
@ac-kit

isSubsetOf

isSubsetOf<T>(a, b, comparisonStrategy?): boolean

Defined in: set/is-subset-of.ts:14

Checks whether every element of a is also in b.

Time complexity: O(|a| + |b|) under the default "sameValueZero".

Type Parameters

Section titled “Type Parameters”

T

Section titled “T”

T

Parameters

Section titled “Parameters”

a

Section titled “a”

Iterable<T>

The candidate subset.

b

Section titled “b”

Iterable<T>

The candidate superset.

comparisonStrategy?

Section titled “comparisonStrategy?”

EqualityComparisonStrategy<T, T> = "sameValueZero"

The equality comparison strategy to use.

Returns

Section titled “Returns”

boolean

true if a is a subset of b (every element of a is in b).