aureooms/js-array

export function dropwhile(predicate, iterable, out) {
    const n = iterable.length;

    if (n === 0) {
        return out;
    }

    let i = 0;
    let e = iterable[i];

    while (predicate(e)) {
        ++i;

        if (i === n) {
            return out;
        }

        e = iterable[i];
    }

    out.push(e);

    for (++i; i < n; ++i) {
        out.push(iterable[i]);
    }

    return out;
}