LeetCode力扣 100. 相同的树 Same Tree 题解代码 JavaScript

问题 ​​https://leetcode-cn.com/problems/same-tree/​​

练习使用JavaScript解答

/**
 * Definition for a binary tree node.
 * function TreeNode(val) {
 *     this.val = val;
 *     this.left = this.right = null;
 * }
 */
/**
 * @param {TreeNode} p
 * @param {TreeNode} q
 * @return {boolean}
 */
var isSameTree = function(p, q) {
    if(!p && !q)
        return true;
    if(!p || !q)
        return false;
    if(p.val != q.val)
        return false;
    return isSameTree(p.left, q.left) && isSameTree(p.right, q.right);
};