Dev : Extensions : Example Code

This page is part of the extension development documentation project.

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Note: development documentation is in process of being moved to Mozilla Development Center (MDC).

XUL

• Creating toolbar buttons
• Adding items to menus with overlays (talks about browser's context menu too)
• Creating dialog windows with XUL

Javascript

Commonly used techniques

• Using preferences. For the basics, see also the article on XulPlanet.
• How to log debug information to JavaScript Console.

XPCOM

• Performing file IO
• Using observers for cross-window notifications
• Running other applications
• Using file choosers (Open, Save, Select Directory dialogs)

<tabbrowser> related

• Using progress listeners
• Executing your code each time a page loads
• Enumerating tabbrowser tabs

Other

• Opening a new browser window
• Using XMLHttpRequest
• Inserting text at cursor

Techniques

• Differential Inheritance in JavaScript using __proto__