isSubsetOf

isSubsetOf(target, source)

Checks if the target set is a subset of the source set (i.e., all values in target exist in source). Returns true if target is a subset of source, false otherwise.

data-first

isSubsetOf(new Set([1, 2]), new Set([1, 2, 3])); // true
isSubsetOf(new Set([1, 4]), new Set([1, 2, 3])); // false

data-last

pipe(new Set([1, 2]), isSubsetOf(new Set([1, 2, 3]))); // true
pipe(new Set([1, 4]), isSubsetOf(new Set([1, 2, 3]))); // false