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