Functional FizzBuzz in JavaScript

Fizzbuzz.js

Array.prototype.append = function (element) {
    this.push(element);
    return this;
};


range = (length) => {
    return (function range() {
        if (this.length < length) {
            this.push(this.length);
            range.call(this);
        }
        return this;
    }).call([]);
};


shiftGenerator = (list => () => {
    list.push(list.shift());
    return list[list.length-1];
});

select = (a, b) => a ? a : b;
printLine = (i) => print(i);
fizz = shiftGenerator(Array(2).fill("").append("fizz"));
buzz = shiftGenerator(Array(4).fill("").append("buzz"));

printLine = (i) => print(i);

range(100)
    .map((i) => i + 1)
    .map((i) => select(fizz() + buzz(), i))
    .forEach(printLine);