This JS file sums the input argumets and prints the sum to the console

sum.js

// This JS file sums the input argumets and prints the sum to the console
// Example
//    node sum 1 2
//          3
//    node sum 10 -100 12
//          102
//
// jshint esversion: 6

const args = process.argv.slice(2);
let sum = 0;

args.forEach(n => sum += Number(n));

console.log(sum);