add 1 to all elements in array js code example

Example 1: adding all elements in an array javascript

values.reduce(function(a, b){return a+b;})

Example 2: 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;
}