esvalidate(1) on Linux
The text 9a411ab0c637, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
ECMAScript Validator using Esprima
Flags it lists
-
--format -
--version -
-v