Add-ons   Development

Introduction to Add-on Development ( 2 ) (30)
Extension development tools (4)

Hi all, I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this …

About the Development category (1)
Creating bookmark with id (2)
Duplicate Window Launched on 3rd Click (1)
Getting "key" from AMO (10)
browser.bookmarks.onCreated > cant get no parentId (3)
Peculiarity with Local Storage on Add-ons Manager Page (11)
The resource at “" was blocked because tracking protection is enabled (10)
WebExtensions: Determine URL from browser tab gets URL from previous domain (4)
Sidebars and tree style tabs (1)
Custom New Tab Page URL in Navbar (4)
Macro add-on . Does it exist? (2)
browser.identity.launchWebAuthFlow hangs after authentication (3)
Adjust extension to dark mode (1)
Getting the screen resolution from a background script (8)
Cross origin framing in webextensions (10)
Where did "New WebExtension APIs" go? (5)
Launch Native Color Picker from Context Menu Without Triggering Popup Blocker (4)
Invoking a Color Wheel from a Context Menu (7)
WebExtension Internationalization placeholders (3)
How to change Search Engine from Add-On? (1)
Safe (sanitized) string and .innerHTML and AMO policy (3)
Getting file from file chooser after extension popup closed (7)
Send canvas straight to printer/print preview (4)
Mozilla webextension-polyfill (browser-polyfill.js) and licensing (3)
Deploying signed addon to all users in the organization (2)
Accessing a Textarea that Does Not Have an ID (3)
Match a Fragment identifier in a URL (3)
Focus sidebar when it opens, and other things (9)