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Once, I tried adding a button with 'bookmark-item pagerank' as class to PersonalToolbar. No… Read more I Try To Add A New Button To Firefox, But It's The Old Button That Gets Added!

I am trying to create a key element dynamically for my bootstrapped add-on. Currently, I create a k… Read more How To Set An Xul Key Dynamically And Securely?

How to use memset in jsctypes. There no DLL for it. I searched/scoured js ctype codes but couldn… Read more "memset" Has No Dll So How Ctype It

The following code is working fine in Google Chrome but not in Firefox. I can't make a request … Read more Xmlhttprequest Is Not Working In Firefox Extension

I'm using firefox addon builder. Running this code errors with 'callback is not defined'… Read more Jsonp Callback Error

So I'm developing a Firefox addon that adds a bit of HTML to the DOM of any webpage. The idea h… Read more Get Content Of Some File In Firefox Sdk Main.js

I am trying to call PK11_Verify inside a js. let PK11_Verify = null; PK11_Verify = declareFunction(… Read more Is Pkcs11 Verify Function Supported In Nss 3.18.1 Public Function

I am feeling overwhelmed by so many different approaches, guides, and yet none I tried work for me.… Read more Firefox Webextension Importing Services

Possible Duplicate: Firefox extension: check if window is minimized I've written a Firefox ex… Read more Browser Window Minimize/maximize Event

I'm trying to write an extension that monitors every time someone types hits enter when using t… Read more Firefox Addon To Do Something Everytime A User Hits Enter In The Address Bar

So I've read just about everything I could find on MDN, stackoverflow, etc, and it all seems to… Read more Automatically Install Toolbarbutton To Firefox Nav-bar, Not Working With Insertitem

I'm a bit confused about how you can or cannot make crossdomain ajax requests in addons for Fir… Read more Making Crossdomain Ajax Requests With Addons For Firefox

Is it possible to read an environment variable from the code of a Google Chrome extension, that is,… Read more Read Environment Variable From Google Chrome Extension

I'm trying to build an addon for LinkedIn but the contentscript is outputted in every frame... … Read more Firefox Addon Ignore Iframes

I have a toolbar extension that generates dynamic toolbarbutton and menuitem elements. These items … Read more How To Properly Set Events For Dynamic Xul Elements?

So, I've looked through the WebExtensions API, but I haven't been able to figure out how to… Read more How To Open A Firefox Webextension Options Page As A Tab, Separate From About:addons

I'm taking a foray into Firefox extension development for the first time, and so far it's b… Read more How To Overwrite Built In Xpcom Component In Firefox Addon?

I want to trigger events from a Firefox extension, specifically click events. I've tried jQuery… Read more Trigger Events From Firefox Browser Extension?

I am successfully writing to an Excel file, using javascript from my FireFox extension. I can get t… Read more Biff5 - Excel - Workbook Stream Problems (corrupt File)

I'm a newbie trying to do a simple HTTP post in JS within a Firefox extension.. This isn't … Read more Http Post In Javascript In Firefox Extension