The classic Fizz Buzz but without using the if...else if... else solution

fizzbuzz.js

const fizzBuzzMap = {
    3: 'Fizz',
    5: 'Buzz',
    15: 'FizzBuzz'
};

/**
 * The classic "Fizz Buzz" game:  Print a list of numbers from 1 to the upper limit, using the following rules:
 * * If the number is divisible by 3 print "Fizz"
 * * If the number is divisible by 5 print "Buzz"
 * * If the number is divisible by 3 and 5, print "FizzBuzz"
 * 
 * @param {number} upperBound The excluive (i.e. up to but not including) limit to which Fizz Buzz should be played
 * @returns {string} A comma-separated string with the approprate numbers replaced with the "Fizz Buzz" text
 */
function fizzBuzz(upperBound) {
    const result = [];
    const keys = Object.keys(fizzBuzzMap);

    for (let i = 1; i < upperBound; i++) {
        let value = i;

        keys.forEach(key => {
            if (i % key === 0) {
                value = fizzBuzzMap[key];
                return;
            }
        });

        result.push(value);
    }

    return result.join(', ');
}

console.log(fizzBuzz(100));