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I am porting a Chrome extension to FF using 'FF Addon SDK'. In the background script (main.… Read more Detecting Navigation In Ff Add Ons

I am able to grab the URL of an image on a website, but I want to download the image to the local d… Read more Save Website Image Using A Firefox Addon (sdk)

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

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 am building a Firefox add-on using the addon-sdk. The add-on has one button that displays a panel… Read more Why Is My Add-on Panel´s Content Script No Longer Responding To Port Messages After Changing Contenturl?

Once the require('sdk/panel').Panel code is enabled, I cannot find the addone button, even … Read more Why The Addone Button Is Lost When I Enable Panel Code?

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