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The reduce() method executes a reducer function on each element of the array and returns a single output value.

Shibu Sarkar answered on April 14, 2022 Popularity 5/10 Helpfulness 2/10

answer The reduce() method executes a reducer function on each element of the array and returns a single output value.

related reduce() method executes a reducer function on each element of the array and returns a single output value.

The reduce() method executes a reducer function on each element of the array and returns a single output value.

Comment

const message = ["JavaScript ", "is ", "fun."];

// function to join each string elements
function joinStrings(accumulator, currentValue) {
  return accumulator + currentValue;
}

// reduce join each element of the string
let joinedString = message.reduce(joinStrings);
console.log(joinedString);

// Output: JavaScript is fun.

Popularity 5/10 Helpfulness 2/10 Language javascript

Source: www.programiz.com

Tags: each element function javascript output

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Contributed on Apr 14 2022

Shibu Sarkar

0 Answers Avg Quality 2/10

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reduce() method executes a reducer function on each element of the array and returns a single output value.

Comment

const numbers = [1, 2, 3, 4, 5, 6];

function sum_reducer(accumulator, currentValue) {
  return accumulator + currentValue;
}

let sum = numbers.reduce(sum_reducer);
console.log(sum); // 21

// using arrow function
let summation = numbers.reduce(
  (accumulator, currentValue) => accumulator + currentValue
);
console.log(summation); // 21

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: www.programiz.com

Tags: javascript function output element each

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Contributed on Apr 14 2022

Shibu Sarkar

0 Answers Avg Quality 2/10

The reduce() method executes a reducer function on each element of the array and returns a single output value.

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The reduce() method executes a reducer function on each element of the array and returns a single output value.

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reduce() method executes a reducer function on each element of the array and returns a single output value.

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