… JSDB, by the way, is short for JavaScript Database, which is, umm, a JavaScript database.
It’s an in-process, in-memory database for Node.js for Small Web use that persists to an append-only JavaScript – not JSON, JavaScript – transaction log.
JSDB’s very easy to work with because you just use native JavaScript objects and they just automatically get persisted for you.
e.g., Here’s a quick 6-line Kitten app that persists a counter:
https://codeberg.org/kitten/app#using-javascript-database-jsdb-a-not-so-scary-database