JavaScript Guy

I am trying to develop a Firefox extension which involves copying an image to the clipboard. In the… Read more Firefox Webextension Alternative To Addon Clipboard Sdk For Copying Images

I have a web application that my client uses for the cash registry. What I need to do is to create … Read more Expose File Writing To A Webpage With A Firefox Extension

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

This is my first time learning to build a firefox addon. I want store all the open tabs in a window… Read more Referenceerror While Using Sdk/tabs In Firefox Webextension

I am trying to make a button in the Firefox Add-on Builder that will change the URL that the search… Read more Firefox Addon Builder Preferences-services Not Working For Me--why?

I am trying to get userAgent and want to do some parsing on it: My code is: var userAgentInfo = { … Read more Firefox Add-on Window.navigator.useragent Error: Window Not Defined

I have been working on a context-menu that communicates with a page mod and come up against an issu… Read more Addon Sdk - Context-menu And Page-mod Workers