Lists 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?

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