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