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uniqueElements javascript Code Snippet in 2022

arraybeginner

Last Updated: 25 September 2022

Finds all unique values in an array.

  • Create a new Set() from the given array to discard duplicated values.
  • Use the spread operator (...) to convert it back to an array.
const uniqueElements = arr => [...new Set(arr)];
uniqueElements([1, 2, 2, 3, 4, 4, 5]); // [1, 2, 3, 4, 5]

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