课程: JavaScript: Five Advanced Challenges and Concepts

免费学习该课程！

今天就开通帐号，24,700 门业界名师课程任您挑！

Push info to many nodes

Push info to many nodes - JavaScript教程

课程: JavaScript: Five Advanced Challenges and Concepts

开始一个月试用 购买团队方案

Push info to many nodes

“

- Let's say you're building a smart home system and you want to selectively trigger multiple, different devices based on a specific event. For example, when the front door opens, the hallway light is turned on, music starts playing and the kettle is turned on. This setup requires a basic observer or published subscribe pattern. The system observes some component, in this case, the front door, and when its status changes, the subscribed dependence are updated automatically. This observer pattern is useful in advanced JavaScript applications and can be set up to manage complex interactions between different parts of the application. Before we dive into this topic, it's worth noting that the basic observer pattern I'm about to show you is just that, basic. There are several JavaScript libraries out there created specifically to facilitate more advanced observer patterns. That said, understanding how this basic observer…

内容