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map()

map<T, R>(map): (arr) => R[]

Maps over the given array, calling the mapping function for each element. Returns a new array of the results.

Type Parameters​

• T

• R

Parameters​

map​

MapFn<T, R>

The mapping function to apply to each element of the array.

Returns​

Function

Parameters​

arr​

T[]

Returns​

R[]

Remark​

pure function

Example​

map(x => x * 2)([1, 2, 3, 4, 5]);
// [2, 4, 6, 8, 10]