Development

Topic	Replies	Views	Activity
About the Development category	3	3575	October 9, 2023
Get started with Firefox extension development Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…	6	8444	September 6, 2023
Extension development tools developer-tools 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 …	6	9542	June 23, 2021
Is it possible to change the context menu on Android?	4	196	December 6, 2023
Web-ext signing error	4	75	December 6, 2023
How to debug a background script that doesn't show up? (solved)	3	1179	April 26, 2022
Element.setAtttribute vs direct assigment	4	105	November 28, 2023
Execute Batch file using NativeMessagingHosts learning	2	96	November 26, 2023
How to ask user to grant permissions for 'Access your data for all websites' through a prompt during the installation process	5	815	November 23, 2023
Request permissions by path/query rather than just hostname learning , issue	3	122	November 20, 2023
Context menu not printing anything to the console learning , issue	4	105	November 14, 2023
Content script fails to send message to non-persistent background script	3	285	November 14, 2023
Native Messaging: Python programme executes all lines but does not run any 'subprocess.Popen()' lines	3	170	November 13, 2023
Firefox for Android: Add-ons Development webinar	1	103	November 9, 2023
Help with understanding the Imagify extension examply by MDN	3	147	November 9, 2023
How to use webrequest with manifest V3?	2	164	November 5, 2023
"Permission Needed" indicator on browser action?	3	289	November 5, 2023
Removing "duplicate" `applications` according to `web-ext lint` breaks build	3	127	November 5, 2023
How to exclude files in manifest.json?	3	137	November 4, 2023
Firefox refusing to load my manifest file	11	458	October 31, 2023
Is there a plan to make Alarms API persistent? (like in Chrome)	1	127	October 31, 2023
Action icon based on system theme after install	1	147	October 28, 2023
Borderify Extension not working (no errors) development , learning	9	1799	October 27, 2023
Addons feature request, return dpi like chrome extension? issue , feedback	2	182	October 27, 2023
Looking for workaround for PDF viewer "content script restriction" issue	1	170	October 25, 2023
Detect a tab changed its container	3	255	October 22, 2023
Where's the call stack when debugging a content script?	16	2839	October 20, 2023
[REST API testing] Isn't there a clever and breakthrough developer out there on Mozilla community ready to provide a kind of disruptive plugin?	1	252	October 18, 2023
Permission popup opens behind a browser_action HTML popup	4	227	October 15, 2023
Cannot match multiple declarativeNetRequest rules on the same website on firefox using manifest v3 issue , feedback	1	285	October 12, 2023

About the Development category

3

3575

October 9, 2023

Get started with Firefox extension development

Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…

6

8444

September 6, 2023

Extension development tools

developer-tools

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 …