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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
user101989
@Gordon
The Puck has its own JavaScript engine, so you could think of the Puck as running a Web Browser without a window.
So if you're asking 'can I run code on the Puck itself and interact with it with buttons/pots/etc' then absolutely - that's pretty much what it's meant for.
If you want the Puck itself to display/render a webpage via some external screen (or into an offscreen buffer) then I'm afraid that's not going to work - but it may well be that you can use the PC for rendering to the DOM, but you do all the actual 'application logic' sort of stuff in the Puck.