These days embedding video in a website is very easy, the element in HTML5 is compatible with almost all current browser versions (see Can I Use video), which saves us a lot of the old difficulties.
Now we can implement video and customize a player without third-party software. element is very simple: the complication is in the browser support, especially in old versions and mobile.
The Jetpack SDK includes:
An extensible library of capabilities and APIs for writing Firefox add-ons, as well as stand-alone web-based applications
A set of command-line tools that package and security-harden your code into distributable packages
A modern IDE with built-in reference guide for instant productivity
An easy to use, well documented set of APIs that lets you write Firefox add-ons using standard Web technology (Javascript, HTML5, and CSS).
An integrated IDE that enables rapid add-on developement and code collaboration.
Add-ons developed with the Jetpack SDK will feature:
No need to restart Firefox to install add-ons.
Add-ons are automatically compatible with all future versions of Firefox updates, so no need to wait for add-on compatability.
Stronger and more easily understood security and privacy controls.
Automatic add-on updates.