sum elements of an array javascript code example
Example 1: array sum javascript
const arr = [1, 2, 3, 4];
const sum = arr.reduce((a, b) => a + b, 0);
// sum = 10
Example 2: js sum of array
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
// Output: 10
Example 3: es6 array sum javascript
const arrSum = arr.reduce((a,b) => a + b, 0);