The master branch is now the development branch for 5.0 and should be considered unstable until the first 5.0 release. If you're looking for the most recent stable release, please refer to the [stable branch](https://github.com/videojs/video.js/tree/stable).
> Video.js is a web video player built from the ground up for an HTML5 world. It supports HTML5 and Flash video, as well as YouTube and Vimeo (through [plugins](https://github.com/videojs/video.js/wiki/Plugins)). It supports video playback on desktops and mobile devices. This project was started mid 2010, and the player is now used on over ~~50,000~~ 100,000 websites.
Thanks to the awesome folks over at [Fastly](http://www.fastly.com/), there's a free, CDN hosted version of Video.js that anyone can use. Simply add these includes to your document's
Then, whenever you want to use Video.js you can simply use the `<video>` element as your normally would, but with an additional `data-setup` attribute containing any Video.js options. These options
can include any Video.js option plus potential [plugin](https://github.com/videojs/video.js/wiki/Plugins) options, just make sure they're valid JSON!
To build your own custom version read the section on [contributing code](CONTRIBUTING.md#contributing-code) and ["Building your own copy"](CONTRIBUTING.md#building-your-own-copy-of-videojs) in the contributing guide.