fizzbuzz.js

const fizzBuzz = (start, end) => {
  const range = [...Array(end).keys()].slice(start, end);
  range.forEach(indx => {
    if (indx % 15 === 0) {
      console.log(`fizzbuzz ${indx}`);
    } else if (indx % 5 === 0) {
      console.log(`buzz ${indx}`);
    } else if (indx % 3 === 0) {
      console.log(`fizz ${indx}`);
    } else {
      console.log(`fail ${indx}`);
    }
  })
}
const args = process.argv.slice(2);

const getArg = (type) => {
  const ndx = args.indexOf(type) + 1;
  return parseInt(args[ndx]);
}

const min = getArg("--start") || 0;
const max = getArg('--end') || 1;
fizzBuzz(min, max);

/*
 const range = Array.from({ length: (end - start) }, (_, v) => v + start)
*/