There are other non JS-based unofficial clients to access PeerTube. You can find a list maintained by the PeerTube project in the thid-party applications section. You can also develop your own as our code is open source and libre software under the GNU AGPLv3.0 and documented on docs.joinpeertube.org.
We are sorry but it seems that PeerTube is not compatible with your web browser.
Please try with the latest version of Mozilla Firefox.
If you think this is a mistake, do not hesitate to report it.