Add-ons   Development


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)
WebExtension Internationalization placeholders (3)
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)
Conditional Creation of Context Menus (8)
Use of browserSettings not behaving the way doc describes (4)
Tabular Array of Arguments: Nomenclature and Best Practices? (11)
Moz-extension protocol is not accepted by Firebase. Any workarounds? (3)
Make_webext.py - Convert a GreaseMonkey userscript to a WebExtension (1)
XMLHttpRequest Challenge with first Add-on (4)
Execute content script on window after popup docked (5)
Docs unclear on whether unlimitedStorage can be an optional permission (2)
[Solved] Fetching data cross-domain? (3)
Install an extension next time firefox launches (2)
Addon only works on localhost (4)
Question about exporting add-on codes to some sort of drag/drop or clickable installation (4)
Add-on for print / save direcly in pdf or png an active tab in a specific folder (15)
Automatic offline backups of addon data (7)
Error: Could not establish connection. Receiving end does not exist (3)
Addon update in Firefox (4)
Accessing local storage from content_script page (3)