JavaScript Poliintersect

function polysIntersect(poly1, poly2) {
    for (let i = 0; i < poly1.length; i++) {
        for (let j = 0; j < poly2.length; j++) {
            const touch = getIntersection(
                poly1[i],
                poly1[(i + 1) % poly1.length],
                poly2[j],
                poly2[(j + 1) % poly2.length]
            );
            if (touch) {
                return true;
            }
        }
    }
    return false;
}
iteration