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I'm running web-ext lint and getting back a few errors like this: UNSAFE_VAR_ASSIGNMENT Unsafe… Read more Best Way To Purge Innerhtml From A Firefox Extension

I am trying to add a context menu item in the bookmark menu of Firefox (with a WebExtension). I rea… Read more Add Context Menu In Bookmark Menu

I try to migrate my firefox addon wich use low level SDK API to WebExtension and at some point I wa… Read more Open A Tab And Make A Post Request To It In A Firefox Webextension

I have a simple extension where I use Cu.import to import a JavaScript code module. But, when I loa… Read more Unable To Use Components In Webextensions: Get "referenceerror: Cu Is Not Defined"

I am trying to write a web extension where I need to pass an object from the content script to the … Read more How To Use Cloneinto In A Firefox Web Extension?

I have a very simple webextension that is supposed to open a local page in a new window when a butt… Read more Javascript Does Not Run On Local Page

I'm making an extension which allows users to store proxy servers with auth credentials (user/p… Read more Force Proxy Re-authentication In Chrome Extension

Let's say we have a background script which communicates with the browser action popup. Under c… Read more Catch If Runtime.sendmessage Doesn't Receive Response

I have a Firefox web extension which is supposed to generate buttons which copy a link to the clipb… Read more Firefox Webextension Not Copying To Clipboard

Reference to the answer for my previous question here. Briefly: When an error occurs in a navigatio… Read more WebNavigation.onDOMContentLoaded URL Filter Does Not Match DNS Error URL

I've developed a Chrome extension, and trying to port it to Firefox using Firefox WebExtensions… Read more How To Get OpenerTabId In Firefox WebExtensions?