​

function setup() {

  port = createSerial();

​

  // setup serial ports

  let usedPorts = usedSerialPorts();

  if (usedPorts.length > 0) {

    port.open(usedPorts[0], 9600);

  }

  // check to see if serial is available

   if (!navigator.serial) {

    alert("WebSerial is not supported in this browser. Try Chrome or MS Edge.");

  } else {

    alert("Yay! WebSerial is supported.");

  }

}

​

function draw() {

​

​

}