HearLing

终点是object.prototype,object.prototype._proto_为null

ID选择器#id 类选择器/属性选择器/伪类选择器.class.active[href=""] 元素选择器/关系选择器/伪元素选择器html+div>span::after 通配符选择器*

```js var StockSpanner = function () { this.map = [] this.spanner = [] }; /** * @param {number} price * @return {number} */ StockSpanner.prototype.next = function (price) { let res...

```js /** * @param {string} s * @return {boolean} */ var isValid = function(s) { const map = {'(':')','{':'}','[':']'} const result = [s[0]]; for(let i =1;i

```js /** * @param {string} s * @return {string} */ var reverseParentheses = function (s) { let res = [] for (let i = 0; i