This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Firefox for Web Developers
webdevs.firefox.com
did:plc:6jsvyhtxrkb4d2wrlwd2avmm
Firefox 147 just landed & it's pretty huge in terms of web features:
π CSS anchor positioning
π The navigation API
π View transition types
π Brotli support in Compression/DecompressionStream
π CSS module imports
And more!
https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/147
2026-01-13T14:03:57.995Z