lodash: Get duplicate values from an array

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执念已碎
执念已碎 2020-12-09 08:14

Say I have an array like this: [1, 1, 2, 2, 3]

I want to get the duplicates which are in this case: [1, 2]

Does lodash support thi

12条回答
  •  Happy的楠姐
    2020-12-09 08:39

    pure js solution

    export function hasDuplicates(array) {
      return new Set(array).size !== array.length
    }
    

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