摘要: ``` class CustomEvent { constructor() { // { // eventName: []; // } this.eventsKeeper = {}; } isAssigned(name, cb) { const keeper = this.eventsKeeper; 阅读全文
posted @ 2019-06-05 01:04 tornoda 阅读(325) 评论(0) 推荐(0) 编辑