[1.事件和事件委托](1.%E4%BA%8B%E4%BB%B6%E5%92%8C%E4%BA%8B%E4%BB%B6%E5%A7%94%E6%89%98.md) [2.DOM事件绑定、发布订阅](2.DOM%E4%BA%8B%E4%BB%B6%E7%BB%91%E5%AE%9A%E3%80%81%E5%8F%91%E5%B8%83%E8%AE%A2%E9%98%85.md)