Error: Can't access lexical declaration Error Cant access lexical declaration before initialization Demystifying Java Scripts Hoisting In the dynamic world of Java Script variable declarations and the 2 min read 07-10-2024 31
How to access add-on content script in Firefox console? Unlocking Your Add ons Secrets Accessing Content Scripts in Firefox Console Debugging add ons for Firefox can feel like a detectives quest especially when you n 2 min read 07-10-2024 51
Firefox webextension Error: Could not establish connection. Receiving end does not exist Firefox Web Extension Error Could not establish connection Receiving end does not exist Solved Have you ever encountered the frustrating Could not establish con 3 min read 07-10-2024 38
Override functions of the page in a Firefox extension content script Overriding Page Functions with Firefox Extension Content Scripts A Deep Dive Problem You want to modify the behavior of a webpage by changing or replacing its e 2 min read 06-10-2024 48
Content script can't open a WebSocket connection in Firefox Troubleshooting Content Script Cant Open a Web Socket Connection in Firefox Web Sockets provide a robust way to establish a real time communication channel betw 3 min read 29-09-2024 55
Does CSS injected by "user style" browser extensions necessarily have the "user style" CSS origin? Is there a way to find out programmatically? Understanding CSS Origins in User Style Browser Extensions When using web browsers users can enhance their browsing experience by modifying styles through user 2 min read 19-09-2024 39
How to intercept a Javascript/CSS file request from the Webpage at the client side, and load alternative files insted? Intercepting Java Script and CSS Requests for Custom File Loading Imagine you re browsing a website and it loads its Java Script and CSS files from an external 2 min read 07-09-2024 51
Is it possible to clear web browser "offline website data" programmatically (extension development)? Can You Clear Offline Website Data Programmatically in a Browser Extension Clearing browser data is a common task for users and developers often need to control 2 min read 02-09-2024 40
How to execute simple script like auto scroll on local file Auto Scrolling Local Files A Comprehensive Guide Have you ever wanted to automatically scroll through a local file like a PDF but found yourself stuck This comm 4 min read 31-08-2024 62
A Firefox extension to open custom image file by dropping on it Opening Custom Image Files in Firefox with a Drop and Drop Extension This article will guide you through creating a Firefox extension that allows you to open cu 2 min read 30-08-2024 41
Why `chrome.tabs.query(...)` is undefined in firefox? Chrome vs Firefox The chrome tabs query Mystery Explained If you ve ever tried to port a Chrome extension to Firefox you ve likely encountered the dreaded Uncau 2 min read 29-08-2024 47
Why does my Firefox extension not trigger a keyboard shortcut? Why Your Firefox Extension Isnt Triggering Keyboard Shortcuts A Deep Dive Have you ever built a Firefox extension that was supposed to trigger a keyboard shortc 3 min read 29-08-2024 47
Override Variable or Event handler in Browser app through an Extension Overriding React Components with Browser Extensions A Deep Dive Many developers find themselves needing to modify or extend the functionality of third party web 2 min read 28-08-2024 44
JavaScript: openpgp is not defined error in Firefox extension content script h1 Java Script openpgp is not defined Error in Firefox Extension Content Script h1 h2 The Issue h2 You re encountering a common problem when developing Firefox 2 min read 27-08-2024 51