reduceRight source npm

_.reduceRight(collection, [iteratee=_.identity], [accumulator])

This method is like _.reduce except that it iterates over elements of collection from right to left.

Arguments

  1. collection (Array|Object)

    The collection to iterate over.

  2. [iteratee=_.identity] (Function)

    The function invoked per iteration.

  3. [accumulator] (*)

    The initial value.

Returns (*)

Returns the accumulated value.

Example

var array = [[0, 1], [2, 3], [4, 5]];

_.reduceRight(array, function(flattened, other) {
  return flattened.concat(other);
}, []);
// => [4, 5, 2, 3, 0, 1]