Function isSameNode

javascript/0100-same-tree.js:71–82

(p, q)

};

const isSameNode = (p, q) => {
    const isBaseCase = !(p || q);
    if (isBaseCase) return true;

    const isBalanced = p && q;
    if (!isBalanced) return false;

    const isSame = p.val === q.val;
    if (!isSame) return false;

    return true;
};

const isSame = (p, q) =>
    isSameNode(p, q) &&