array sum javascript
const arr = [1, 2, 3, 4]; const sum = arr.reduce((a, b) => a + b, 0); // sum = 10
Source: stackoverflow.com
how to sum array elements in javascript
// codewars solution // leetcode solution // and more function sum(arr) { return arr.reduce( (x,y) => x+y, 0); } sum([1, 2, 3, 4]); // 10 sum([2, 4, 1, 3, 5]); // 15 // enjoy :)
sum of all numbers in an array javascript
const arrSum = arr => arr.reduce((a,b) => a + b, 0)
Source: codeburst.io
js array sum
console.log( [1, 2, 3, 4].reduce((a, b) => a + b, 0) ) console.log( [].reduce((a, b) => a + b, 0) )
Source: stackoverflow.com
js sum of array
[1, 2, 3, 4].reduce((a, b) => a + b, 0) // Output: 10
Source: stackoverflow.com
javascript sum of array
const sum = arr => arr.reduce((a, b) => a + b, 0);