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Fast Functional Reactive Programming with Datastar Creator Delaney Gillilan

July 27, 2026 · 1 h 33 min

Show notes

Richard talks with Datastar creator Delaney Gillilan about fast functional reactive programming, how Datastar outcompetes more mainstream JavaScript libraries on performance, and how he designed it - including how Richard's book Elm in Action turned out to be one of its sources of inspiration.


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- Datastar: https://data-star.dev

- Elm in Action: https://www.manning.com/books/elm-in-action?utm_source=elm_in_action&utm_medium=affiliate&utm_campaign=book_rfeldman_elm_4_14_20&utm_content=number2

- Delaney and ClojureScript Lead David Nolen on Datastar: https://youtu.be/2ECucq-mTGg?si=v_4sB7vIEEDGpjm6

- Datastar experience report: https://youtu.be/8W6Lr1hRgXo?si=TAJU_wRirCYiZywm

- Benchmarking the same chat app in Next.js and Datastar: https://zweiundeins.gmbh/en/methodology/spa-vs-hypermedia-real-world-performance-under-load

- Real-Time Collaboration with Datastar: https://vimeo.com/1124980036

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