total sum of an array js code example
Example 1: array sum javascript
const arr = [1, 2, 3, 4];
const sum = arr.reduce((a, b) => a + b, 0);
// sum = 10Example 2: sum all the values in an array javascript
array.reduce((a, b) => a + b, 0)const arr = [1, 2, 3, 4];
const sum = arr.reduce((a, b) => a + b, 0);
// sum = 10array.reduce((a, b) => a + b, 0)