homam/oneToTen-sum.js

## oneToTen-sum.js
oneToTen.reduce(function(acc, a) {
    return acc + a;
}, 0)

## sum.js
let sum = function(arr) {
    let acc = 0 // the accumulated sum
    for(var i = 0; i < arr.length; i++) {
        let a = arr[i] // ith item in the array
        acc += a
    }
    return acc
}

sum(oneToTen)
	let sum = function(arr) {
	let acc = 0 // the accumulated sum
	for(var i = 0; i < arr.length; i++) {
	let a = arr[i] // ith item in the array
	acc += a
	}
	return acc
	}

	sum(oneToTen)