Tail Call Optimization: The Musical (2019) [video]
Cute! Major props to the two for the execution :)<p>Sadly, these days Safari is the only engine that does TCO. It also keep track of a decent number of frames (currently 128). For more details on the implementation (called Shadow Chicken), see <a href="https://webkit.org/blog/6240/ecmascript-6-proper-tail-calls-in-webkit/" rel="nofollow">https://webkit.org/blog/6240/ecmascript-6-proper-tail-calls-...</a>.