Programming
JavaScript ® (often shortened to JS ) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB .
JavaScript
Extensions
Extensions add new functionality to Mozilla applications such as Firefox, SeaMonkey and Thunderbird. They can add anything from a toolbar button to a completely new feature.
This is quick set of answers to the most common issues with extension development.
