Sign Up for Free

RunKit +

Try any Node.js package right in your browser

This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including fsrs.js with all npm packages installed. Try it out:

var fsrsJs = require("fsrs.js")

This service is provided by RunKit and is not affiliated with npm, Inc or the package authors.

fsrs.js v1.1.1

FSRS (free spaced repetition scheduler) algorithm, based on the DSR model proposed by Piotr Wozniak, author of SuperMemo

RunKit is a free, in-browser JavaScript dev environment for prototyping Node.js code, with every npm package installed. Sign up to share your code.
Sign Up for Free