Mozilla today launched Firefox 77 for Windows, Mac, and Linux. Firefox 77 includes faster JavaScript debugging, optional permissions for extensions, and Pocket ...

Mozilla is testing a new feature in Firefox called Time Travel Debugging. The feature is aimed at developers and is currently only available in the latest version of Firefox Nightly for Mac. The new ...

The Firebug web development tool, an open source add-on to the Firefox browser, is being discontinued after 12 years, replaced by Firefox Developer Tools. Firebug will be dropped with next month’s ...

Whether you’re a Web designer or a JavaScript programmer, Firebug provides invaluable tools for debugging websites. For Web developers like me, one of the most burning questions is “why does the page ...

Mozilla lets you use Firefox as your IDE even when you're deploying to other browsers. Don't get me wrong, this tool is great especially since its cross browser compatible, but with no IE support ...

WebExtensions developers can now inspect browser.storage.local data using the "Addon Debugging" Firefox Developer Tools. With new network resource search in Developer Tools, you can quickly find ...