Add-ons   Development


Topic Replies Views Activity
Introduction to Add-on Development
35 17004 June 15, 2019
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 …

3 3008 April 16, 2018
About the Development category
0 2048 May 21, 2015
Why I can't see the content script when I debug the addon?
7 128 January 9, 2020
How to add new item(s) in context menu in debugger tab?
4 135 January 6, 2020
How do you append data to a file?
1 129 January 5, 2020
Can an extension check network type?
2 164 January 4, 2020
Working with the Storage API sync data
4 221 January 3, 2020
Possible to add to menu in foreground script
7 179 January 3, 2020
How can I determine the window id of the current window in TST?
4 202 January 3, 2020
Our enterprise app failed to get "recommended Extension"
1 154 January 3, 2020
How to display multi-line add-on discription for non published extension
2 207 January 2, 2020
Send a message from my website to my extension background page
4 1565 January 2, 2020
Disable the context menu over my extension pop-up window
2 167 December 31, 2019
Webextension: Variable match pattern for content script
35 3242 December 30, 2019
Calling content script for current tab
3 164 December 30, 2019
My add-on's requests are blocked because they "came from a tracker"
issue
4 220 December 27, 2019
Developing and testing an OpenSearch description file
3 198 December 26, 2019
Find API - highlightResults not working in FF71+
webextensions-api
1 151 December 25, 2019
Moz-extension protocol is not accepted by Firebase. Any workarounds?
4 603 December 25, 2019
Simulating drop event doesn't work in Firefox add-on but works in Chrome extension?
1 152 December 23, 2019
Where are an addons keyboard shortcuts handled and how can they be traced?
13 382 December 22, 2019
Modify page from background script?
2 159 December 22, 2019
Temporary Add-ons won't load: XULStore.jsm "Error: Can't find profile directory"
2 569 December 17, 2019
Set cookie manually in fetch
learning
1 202 December 17, 2019
How to configure Webpack to bundle original 3rd party library file
0 254 November 28, 2019
How do you implement Content Security Policy on local extension page?
2 186 December 16, 2019
Conflict between extension and webpage eventlistener
2 163 December 16, 2019
Browser.sessions.restore() not completely restoring browser session
0 147 December 15, 2019
Addon help: meta name="theme-color"
2 189 December 13, 2019