Function filter

filter<T>(test: (element: T, index: number, set: Set) => boolean): Set<T>
Filter this set to create a subset of elements which satisfy a certain test criterion.
Type Parameters
- T
Parameters
- test: (element: T, index: number, set: Set) => boolean
  The test criterion to apply. Positional arguments are the value, the index of iteration, and the set being filtered.
Returns Set<T>
A new Set containing only elements which satisfy the test criterion.

See
Array#filter