I'm the author of Fengari alongside Daurnimator. Please take a look at https://www.youtube.com/watch?v=xrLIgmd8xik https://www.youtube.com/watch?v=xrLIgmd8xik (

I'm the author of Fengari alongside Daurnimator. Please take a look at https://www.youtube.com/watch?v=xrLIgmd8xik https://www.youtube.com/watch?v=xrLIgmd8xik (slides: https://www.lua.org/wshop17/fengari.html https://www.lua.org/wshop17/fengari.html) for an introduction to it and an explanation as to why this approach is the only viable one to use Lua in the browser and interact with the DOM.