/array/duplicates
stdLists all the duplicated values in the given array.
Type signature
(xs: any[]) => any[]
Examples
duplicates([
1,
2,
3,
4,
3,
4,
3,
6,
]);
// ⇒ [3, 4, 3]
Try in REPL
Questions
- How to find duplicates in an array?