jasonting5
jasonting5
```javascript Object.is(value1, value2); ```
```js var isSymmetric = function(root) { // 用迭代方法实现 if (!root) { return true } let queue = [] queue.push(root) queue.push(root) while (queue.length > 0) { let p1 = queue.shift(), p2...
先递归后合并 ```javascript var sortList = function(head) { if (!head || !head.next) { return head } let slow = head, fast = head.next while (fast && fast.next) { slow = slow.next...