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I'm quite new to addon development with firefox. I picked the addon sdk for porting my chrome e… Read more Firefox Addon Sdk: Ways To Display Options To User?

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 writing a plugin which tries to display the meaning of a selected word in firefox browser. How… Read more Retrieving A Word That Is Selected

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

I am working on creating a Firefox Add-on SDK extension that would set custom cookies (two cookies … Read more How To Set Custom Cookies Using Firefox Add-on Sdk (using Services From Firefox Add-on Sdk)

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

I'm working on a Mozilla Add-on SDK extension that provides a right-click context menu option u… Read more Add Menu Item Created With The Sdk/context-menu Api To The Top Of The Context Menu

I'm developing a firefox extension, and I'd like it to play a notification sound when an ev… Read more Firefox Addon Sdk Not Playing Audio Using New Audio

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)

Is it possible to use Text Input Processor on a specific Tab of a Firefox window? Do all the tabs s… Read more Get Nsidomwindow Of A Tab To Do Text Input

I'm creating an incredibly simple Firefox extension. I used cfx init to create the directory st… Read more Referenceerror: Worker Is Not Defined In Simple Firefox Extension

This summary is not available. Please click here to view the post. Read more Xmlhttprequest Receiving No Data Or Just "undefined"

I have converted some Chrome extensions to firefox .xpi and installed them in FF. They show up in … Read more Trigger Firefox Extensions From A Custom Button

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

This is the code I am using. (code is at way bottom of this post but here is link to GitHubGist :: … Read more Issue With Reduced Quality On File After Saving/converting From Canvas

I am currently creating a WebExtension in which I register a listener on the web requests being mad… Read more Update WebExtension WebRequest.onBeforeRequest Listener URL Settings From Separate Script

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 want to create an addon which will load html content of a specific url and save a specific line o… Read more How To Read Html Content Of A Specific URL Using Firefox Addon?

In my add-on I have an HTML page that gets displayed upon install/update. Firefox obviously shows t… Read more Hide Location Bar From Firefox Add-on

How do I include jquery and other scripts in my firefox extension? I know this topic is a copy of m… Read more Adding Jquery And Other JS Libraries To Firefox Extension