Shuffling a poker deck in JavaScript with window.crypto.getRandomValues

Question

A poker deck has 52 cards and thus 52! or roughly 2^226 possible permutations.

Now I want to shuffle such a deck of cards perfectly, with truly

Answer 1

Combining this answer from here with this answer from another question, it seems the following could be a more general and modular (though less optimized) version:

// Fisher-Yates
function shuffle(array) {
    var i, j;

    for (i = array.length - 1; i > 0; i--) {
        j = randomInt(0, i + 1);
        swap(array, i, j);
    }
}

// replacement for:
//     Math.floor(Math.random() * (max - min)) + min
function randomInt(min, max) {
    var range = max - min;
    var bytesNeeded = Math.ceil(Math.log2(range) / 8);
    var randomBytes = new Uint8Array(bytesNeeded);
    var maximumRange = Math.pow(Math.pow(2, 8), bytesNeeded);
    var extendedRange = Math.floor(maximumRange / range) * range;
    var i, randomInteger;

    while (true) {
        window.crypto.getRandomValues(randomBytes);
        randomInteger = 0;

        for (i = 0; i < bytesNeeded; i++) {
            randomInteger <<= 8;
            randomInteger += randomBytes[i];
        }

        if (randomInteger < extendedRange) {
            randomInteger %= range;

            return min + randomInteger;
        }
    }
}

function swap(array, first, second) {
    var temp;

    temp = array[first];
    array[first] = array[second];
    array[second] = temp;
}