Development

Topic	Replies	Views	Activity
About the Development category	4	3852	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	10816	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	9992	June 23, 2021
Ability to detect name of active webform control?	5	134	May 18, 2024
Firefox webextension with proxy array does not work	3	625	May 18, 2024
Web Requests created by extension are no longer logged in the Developer Toolbox	3	227	May 14, 2024
How to avoid linter warnings caused by limited Android API?	6	98	May 13, 2024
Compiler-generated add-on code: Unsafe assignment to innerHTML	3	90	May 12, 2024
Firefox InternalError (MV3) manifest-v3	6	106	May 11, 2024
Choosing Origin header from background script issue	4	195	May 8, 2024
Post-MV3 versioning for "cross-browser" extensions? manifest-v3	4	291	May 8, 2024
The attention tab property	1	128	May 3, 2024
Content Scripts do not load learning , issue	2	138	May 4, 2024
Load local WebExtension issue, plz help! issue	2	152	May 2, 2024
How to move find bar to the top? learning	1	104	April 27, 2024
Where is this path? learning	2	126	April 25, 2024
Modify headers with declarativeNetRequest.updateSessionRules()? issue	6	332	April 22, 2024
My Add-on keep getting taken down for no reason	2	128	April 22, 2024
Python "native-messaging" web extensions on mac unable to read / write files on Downloads folder webextensions-api	3	1183	April 22, 2024
Native messaging webextensions-examples errors	3	147	April 21, 2024
tabs.executeScript does not work with containered tabs issue	3	167	April 18, 2024
Content-script: How to wait for React DOM to load? content	2	756	April 15, 2024
How to use a custom font in addon learning	2	205	April 5, 2024
[WebExtension] Import a module in a script	10	12912	April 2, 2024
Demonstrating security of an add-on privacy-and-security	6	316	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	2609	March 27, 2024
Can Firefox add-ons access information in the SSL/TLS handshake?	7	5268	November 12, 2017
Cannot inject a JavaScript file because of a CSP limitations	8	278	March 12, 2024
Webextension: Retry failed download learning	12	2497	March 12, 2024
MV3 browser.scripting.executeScript throws Missing host permission for the tab	6	1060	March 12, 2024

About the Development category

4

3852

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

10816

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 …