Reflex is a fully-deterministic, higher-order Functional Reactive Programming (FRP) interface and an engine that efficiently implements that interface.
Reflex-DOM is a framework built on Reflex that facilitates the development of web pages, including highly-interactive single-page apps.
A summary of Reflex functions is available in the quick reference.
Visit https://reflex-frp.org/ for more information, tutorials, documentation and examples.
Use the ./scripts/hack-on reflex script in Reflex Platform to checkout the source code of reflex locally in reflex-platform/reflex directory.
Then do modifications to the source in place, and use the ./try-reflex or ./scripts/work-on scripts to create the shell to test your changes.