FizzBuzz JavaScript solution

FizzBuzz.js

for (var i=1; i <= 20; i++)
{
    if (i % 15 == 0)
        console.log("FizzBuzz");
    else if (i % 3 == 0)
        console.log("Fizz");
    else if (i % 5 == 0)
        console.log("Buzz");
    else
        console.log(i);
}

for(let i = 0; i <= 100; i++) {
    let output = ""

    if(i % 3 === 0) {
        output += "fizz"
    }

    if(i % 5 === 0) {
        output += "buzz"
    }
    
    console.log(output || i)
}