Wow that cellular automata sandbox is almost identical to something I wrote a while back! You might find this article interesting for running arbitrary code in

Wow that cellular automata sandbox is almost identical to something I wrote a while back! You might find this article interesting for running arbitrary code in a browser sandbox: https://blog.risingstack.com/writing-a-javascript-framework-sandboxed-code-evaluation/ https://blog.risingstack.com/writing-a-javascript-framework-...