PybricksHub.js is a driver to connect the hub by LEGO with the Pybricks firmware. (forked from pybricks-code)
import { PybricksHub } from "https://code4fukui.github.io/PybricksHub.js/PybricksHub.js";
const hub = new PybricksHub();
hub.setReceiver(s => {
taout.value += s;
taout.scrollTop = taout.scrollHeight;
});
btnconnect.onclick = async () => {
await hub.connect();
await hub.startREPL();
};