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I am just started to create firefox add on. My first try was to capture the users left click event … Read more Firefox Addon That Reacts On Click (left)

Using the following example, I can get First paragraph from one URL i.e, ContentURL. ex - http://ww… Read more How To Load Multiple Urls In Pageworker For Firefox Add-on Sdk?

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 trying to follow this tutorial for creating a firefox addon that intercept when the url in … Read more Firefox Add-on Window.addeventlistener Error: Window Not Defined

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 want to write a Firefox extension, with copy to clipboard and execute an external program with se… Read more Copy To Clipboard In Firefox Extension Not Working

For an SDK add-on, I am trying to detect, on right-click, the closest page anchor (as described her… Read more Getting Mouse Coordinates In Sdk First-time Right-click

Referring to this question: Add-on Builder: ContentScript and back to Addon code? Here is my addon … Read more Add-on Builder: Multiple Workers Using Port?

Been trying to get the following code to work in firefox add-on: var oMyForm = new FormData(); oMy… Read more Use Blob On Firefox Add-on

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 still fairly new to the addon-sdk and have run into a for me unexplainable problem. So far,… Read more Addon Attaches Script Just Fine With Jpm Run, But Not With The Actual Xpi

Is it possible to grab user's selected text within Hotkey's scope? Defined in Addon/lib/mai… Read more Access Selected Text Within A Hotkey Object

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'm writing through a socket from a FF add-on to a java server. I write several requests and th… Read more How To Flush A Socket In My Code

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