johnny-five/eg/board-with-invalid-port.js

The JavaScript Arduino Programming Framework.

var five = require("../lib/johnny-five.js");
var board = new five.Board({
  port: "/dev/XYZ"
});

board.on("ready", function() {
  console.log("Ready");
});

board.on("error", function() {
  console.log("error");
});