demorse.js

demorse.js

const audio = document.querySelector("audio");

const initDecoder = (stream) => {
  const decoder = new Demorse({
    stream,
    render: (str) => {
      // #message is a node that will be updated on decoding
      document.querySelector("#message").innerText = str;
    },
  });
};

audio.addEventListener("play", (e) => initDecoder(e.target));