NewDash

    Function flatMap

    • Creates a flattened array of values by running each element in collection thru iteratee and flattening the mapped results. The iteratee is invoked with three arguments: (value, index|key, collection).

      Type Parameters

      • T
      • R = any

      Parameters

      • collection: T[]

        The collection to iterate over.

      • Optionaliteratee: ArrayIteratee<T, T[]>

        The function invoked per iteration.

      Returns R[]

      Returns the new flattened array.

      5.4.0

      [[flatMapDeep]],[[flatMapDepth]],[[flatten]],[[flattenDeep]],[[flattenDepth]],[[map]],[[mapKeys]],[[mapValues]]

      function duplicate(n) {
        return [n, n]
      }

      flatMap([1, 2], duplicate)
      // => [1, 1, 2, 2]

    • Creates a flattened array of values by running each element in collection thru iteratee and flattening the mapped results. The iteratee is invoked with three arguments: (value, index|key, collection).

      Type Parameters

      • T
      • R = any

      Parameters

      • collection: Record<string, T>

        The collection to iterate over.

      • Optionaliteratee: RecordIteratee<T, Record<string, T>>

        The function invoked per iteration.

      Returns R[]

      Returns the new flattened array.

      5.4.0

      [[flatMapDeep]],[[flatMapDepth]],[[flatten]],[[flattenDeep]],[[flattenDepth]],[[map]],[[mapKeys]],[[mapValues]]

      function duplicate(n) {
        return [n, n]
      }

      flatMap([1, 2], duplicate)
      // => [1, 1, 2, 2]

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