Development

Topic	Replies	Views	Activity
About the Development category	4	3822	March 28, 2024
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	10716	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	9965	June 23, 2021
Ability to detect name of active webform control?	1	34	May 8, 2024
Choosing Origin header from background script issue	4	143	May 8, 2024
Post-MV3 versioning for "cross-browser" extensions? manifest-v3	4	237	May 8, 2024
The attention tab property	1	86	May 3, 2024
Content Scripts do not load learning , issue	2	94	May 4, 2024
Load local WebExtension issue, plz help! issue	2	111	May 2, 2024
How to move find bar to the top? learning	1	82	April 27, 2024
Where is this path? learning	2	110	April 25, 2024
Modify headers with declarativeNetRequest.updateSessionRules()? issue	6	312	April 22, 2024
My Add-on keep getting taken down for no reason	2	112	April 22, 2024
Python "native-messaging" web extensions on mac unable to read / write files on Downloads folder webextensions-api	3	1167	April 22, 2024
Native messaging webextensions-examples errors	3	131	April 21, 2024
tabs.executeScript does not work with containered tabs issue	3	133	April 18, 2024
Content-script: How to wait for React DOM to load? content	2	652	April 15, 2024
How to use a custom font in addon learning	3	188	April 11, 2024
[WebExtension] Import a module in a script	10	12854	April 2, 2024
Demonstrating security of an add-on privacy-and-security	6	299	April 1, 2024
How to ask user to grant permissions for 'Access your data for all websites' through a prompt during the installation process	6	2549	March 27, 2024
Can Firefox add-ons access information in the SSL/TLS handshake?	7	5252	November 12, 2017
Cannot inject a JavaScript file because of a CSP limitations	8	248	March 12, 2024
Webextension: Retry failed download learning	12	2463	March 12, 2024
MV3 browser.scripting.executeScript throws Missing host permission for the tab	6	1022	March 12, 2024
Focus sidebar when it opens, and other things	10	1275	March 12, 2024
How to stop a background script from going idle in MV3? learning	8	436	March 5, 2024
"commands" for android webextension? learning	2	233	March 1, 2024
Is there a way to make permissions mandatory in Manifest v3? learning	4	249	February 21, 2024
Can not submit add-on issue	4	272	February 21, 2024

About the Development category

4

3822

March 28, 2024

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

10716

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 …