Fibonacci up to

fibonacci.js

function fibonacci(prev, next, stop) {
    if (next >= stop) return prev;

    try {
        fibonacci.cache.push(prev);
    }
    catch (e) {
        if (e.name === 'TypeError') {
            fibonacci.cache = [];
        }
    }

    return fibonacci(next, next + prev, stop);
}

function wrap_fibonacci(stop) {
    wrap_fibonacci.result = fibonacci(0, 1, stop);
    wrap_fibonacci.cache = fibonacci.cache;
}

//wrap_fibonacci(1000);
//console.log(wrap_fibonacci.result);
//console.log(wrap_fibonacci.cache);