Headless Firefox in Node.js with selenium-webdriver

As of version 56 (currently in Beta), Firefox supports running headlessly on Windows, macOS, and Linux. Brendan Dahl has previously described how to use SlimerJS to drive headless Firefox. You can also drive it via the W3C WebDriver API…

In addition to the difficulty of implementing Node APIs, some of the Electron APIs are also hard to implement on a different browser engine. I had particular trouble with <webview> when working on Positron.

Nevertheless, I do see the value, and I applaud you for trying to realize it!

Headless Firefox

Over in Headless SlimerJS with Firefox, fellowzillian Brendan Dahl writes about the work he’s been doing to support running Firefox headlessly. A headless mode for Firefox makes it easier to test websites with the browser, especially in continuous integration, to ensure Firefox remains compatible…