Answers for "add up all numbers in array javascript"

sum of all numbers in an array javascript

const arrSum = arr => arr.reduce((a,b) => a + b, 0)

how to add up all numbers in an array

var numbers = [10, 20, 30, 40] 
var sum = 0;
for (var i = 0; i < numbers.length; i++) {  sum += numbers[i]}

sum all elements in array javascript

arr.reduce((a, b) => a + b)

how to add all values of array together js

function addArrayNums(arr) {
	let total = 0;
	for (let i in arr) {
      total += arr[i];
    }
  return total;
}