XUL School Tutorial

XUL School is a comprehensive add-on development tutorial, focusing on Firefox extension development. It is recommended that you read through all of it at least once. While Firefox changes rapidly, the content in this tutorial should be up to date and valid.

Introduction

• Introduction
• Getting Started with Firefox Extensions
• The Essentials of an Extension
• Setting Up a Development Environment
• JavaScript Object Management

Basic functionality

• Adding menus and submenus
• Adding Toolbars and Toolbar Buttons
• Adding events and commands
• Adding windows and dialogs
• Adding sidebars
• User notifications and alerts

Intermediate functionality

• Intercepting page loads
• Connecting to Remote Content
• Handling preferences
• Local Storage

Advanced topics

• The Box Model
• XPCOM Objects
• Observer Notifications
• Custom XUL Elements with XBL
• Mozilla Documentation Roadmap
• Useful Mozilla Community Sites

Appendices

• Appendix A: Add-on Performance
• Appendix B: Install and Uninstall Scripts
• Appendix C: Avoiding using eval in Add-ons
• Appendix D: Loading Scripts
• Appendix E: DOM Building and HTML Insertion
• Appendix F: Monitoring DOM changes

The XUL School project was developed by Appcoast (formerly Glaxstar). The project is now published here following its sharing licenses. Its contents have been modified from the original source as necessary.