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reduceRight()

reduceRight<T, R>(fn): (initVal) => (arr) => R

Calls the accumulator with each element of the given array, starting with the last element. Returns the final result.

Type Parameters​

• T

• R

Parameters​

fn​

Accumulator<T, R>

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

Returns​

Function

Parameters​

initVal​

R

Returns​

Function

Parameters​

arr​

T[]

Returns​

R

Remark​

pure function

Example​

reduceRight((total, n) => total - n)(0)([1, 2, 3, 4, 5]);
// -5