Building interactive web pages with Guile Hoot

Building interactive web pages with Guile Hoot Dave Thompson — November 30, 2023 A question we frequently hear in discussions about WebAssembly (Wasm) is: "Can Wasm call the DOM (Document Object Model) API?" The answer is: Yes, thanks to Wasm Garbage Collection! In this post, we will use Guile Hoot (our Scheme to Wasm compiler) to demonstrate how a language that compiles to Wasm GC can be used to implement the kind of interactivity we're used to implementing with JavaScript. We'll start very simple and build up to something that resembles a React-like application. In our previous post about running Scheme in the browser, we had to use quite a lot of JavaScript code to call Scheme procedures (functions), render the user interface, and handle user input. However, today we're pleased to announce that those days are behind us; Hoot 0.2.0, released today, now includes a foreign function interface (FFI) for calling JavaScript from Scheme. In other words, the vast majority of code in a ... Read full article.