Here’s an article on creating feedback loops in the browser using purescript-wags. There’s also a demo page to hear the loops live in action.
The wags API has changed a lot since the release of v0.1.0. You now define “mixing boards” at the type level that are reflected on the term level using patch. patch is sort of like mempty for mixing boards: it creates a blank-slate audio mixer with sensible defaults that is then tweaked with a function called change. The article follows this pattern. Enjoy!