Simple quiz using Node.JS readline module

nodejs-readline-example.js

const readline = require('readline');

const questions = [
  ['What does the fox say?', 'Yeeeee'],
  ['Will you be coding this weekend?', 'Whaaaatt?!']
];

const cmd = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

function spinThatShit(questions) {
  if (!questions.length) {
    return cmd.close();
  }
  const question = questions.shift();
  cmd.question(`${question[0]} `, (answer) => {
    if (answer === question[1]) {
      cmd.write('Correct!\n');
    } else {
      cmd.write('Wrong!\n')
    }
    spinThatShit(questions);
  });
}

spinThatShit(questions.slice());