FizzBuzz ArrayMapvsPrecompute

var res = [1, 2, "Fizz", 4, "Buzz", "Fizz", 7, 8, "Fizz", "Buzz", 11, "Fizz", 13, 14, "FizzBuzz", 16, 17, "Fizz", 19, "Buzz", "Fizz", 22, 23, "Fizz", "Buzz", 26, "Fizz", 28, 29, "FizzBuzz", 31, 32, "Fizz", 34, "Buzz", "Fizz", 37, 38, "Fizz", "Buzz", 41, "Fizz", 43, 44, "FizzBuzz", 46, 47, "Fizz", 49, "Buzz", "Fizz", 52, 53, "Fizz", "Buzz", 56, "Fizz", 58, 59, "FizzBuzz", 61, 62, "Fizz", 64, "Buzz", "Fizz", 67, 68, "Fizz", "Buzz", 71, "Fizz", 73, 74, "FizzBuzz", 76, 77, "Fizz", 79, "Buzz", "Fizz", 82, 83, "Fizz", "Buzz", 86, "Fizz", 88, 89, "FizzBuzz", 91, 92, "Fizz", 94, "Buzz", "Fizz", 97, 98, "Fizz", "Buzz"];
for(var i=1, len=res.length; i<len; i++){
  console.log(res[i]);
}

console.log(
Array.apply(0, Array(100)).map(function (x, y) { 
    var nb = y+1;
    var isFizz = ((nb % 3) == 0);
    var isBuzz = ((nb % 5) == 0);
    var isFizzBuzz = (isFizz && isBuzz);
    
    if (isFizzBuzz) return 'fizzbuzz';  
    if (isFizz) return 'fizz';
    if (isBuzz) return 'buzz';
    return(nb);
                                               
}).join("\n"));
 

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);
}