intersection

intersection(target, source)

Returns a new set containing only the values that exist in both the target set and the source set.

data-first

intersection(new Set([1, 2, 3]), new Set([2, 3, 4])); // Set([2, 3])
intersection(new Set([1, 2]), new Set([3, 4])); // Set([])

data-last

pipe(new Set([1, 2, 3]), intersection(new Set([2, 3, 4]))); // Set([2, 3])
pipe(new Set([1, 2]), intersection(new Set([3, 4]))); // Set([])