Lodash – reduceRight method

Lodash - reduceRight method

Syntax Of Lodash reduceRight method

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

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

Arguments

  • collection (Array|Object) โˆ’ The collection to iterate over.
  • [iteratee=_.identity] (Function) โˆ’ The function invoked per iteration.
  • [accumulator] (*) โˆ’ The initial value.

Output

  • (*) โˆ’ Returns the accumulated value.

Example

var _ = require('lodash');
var list = [[0, 1], [2, 3], [4, 5]];
var result = _.reduceRight(list, function(flattened, other) {
   return flattened.concat(other);
}, []);
console.log(result);

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

[ 4, 5, 2, 3, 0, 1 ]

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