I'm working on modernizing Rosetta Code's infrastructure. Starting with communications. Please accept this time-limited open invite to RC's Slack.. --Michael Mol (talk) 20:59, 30 May 2020 (UTC)

Firefox

From Rosetta Code
Firefox is an implementation of JavaScript. Other implementations of JavaScript.
Firefox is an implementation of HTML. Other implementations of HTML.

Firefox is a web browser from the Mozilla Corporation which is often used to interpret and edit (with an add-on) JavaScript. It uses the SpiderMonkey JavaScript engine. It is considered a rival to Internet Explorer, a browser from Microsoft.