# Event-Driven Programming

**Context: [frontend-dev-bookmarks](../README.md) / Architecture**

Event-driven programming is a programming paradigm in which the flow of the program is determined by events such as user actions, sensor outputs, or messages from other programs/threads.

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+ **[Comparison Between Different Observer Pattern Implementations](https://github.com/millermedeiros/js-signals/wiki/Comparison-between-different-Observer-Pattern-implementations)**: The comparison below is just about the basic features of subscribing to an event type, dispatching and removing an event listener.
+ **[Event Emitter, Pub Sub or Deferred Promises](https://otaqui.com/blog/1374/event-emitter-pub-sub-or-deferred-promises-which-should-you-choose/)**: In this post Pete Otaqui explores a little about how each pattern works with (very) basic implementations and looks at the reasons why you might choose one over another.
+ **Implementations**: Libraries, frameworks and tools that use Event-Driven Programming paradigm.
    + **[Bacon.js](https://baconjs.github.io/)**: A small functional reactive programming lib for JavaScript. Turns your event spaghetti into clean and declarative feng shui bacon, by switching from imperative to functional.
    + **[Flight](http://flightjs.github.io/)**: An event-driven web framework, from Twitter.
    + **[Mediator.js](http://thejacklawson.com/Mediator.js/)**: Mediator is a simple class that allows you to register, unregister, and call subscriber methods to help event-based, asyncronous programming.
    + **[Postal.js](https://github.com/postaljs/postal.js)**: Postal.js takes the familiar "eventing-style" paradigm and extends it by providing "broker" and subscriber implementations
    + **[Radio.js](http://radio.uxder.com/)**: Radio.js is a small dependency-free publish/subscribe JavaScript library. Use it to implement the observer pattern in your code to help decouple your application architecture for greater maintainability.
    + **[js-signals](http://millermedeiros.github.io/js-signals/)**: Custom Event/Messaging system for JavaScript.
    + **[pubsub.js](https://github.com/federico-lox/pubsub.js)**: A tiny (~600 bytes when minified, ~300 bytes when gzip'd) and robust pubsub implementation.


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# License

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