var dinoError = new Error("Oh no! A dino error!");
dinoError.name = "DinoError";

console.log("dinoError name: ", dinoError.name);
  // Logs:  dinoError name:  DinoError

console.log("dinoError message: ", dinoError.message);
  // Logs:  dinoError message:  Oh no! A dino error!