JSON configuration

introJs().setOptions({
  steps: [{
    title: 'Welcome',
    intro: 'Hello World! 👋'
  },
  {
    element: document.querySelector('.card-demo'),
    intro: 'This step focuses on an image'
  },
  {
    title: 'Farewell!',
    element: document.querySelector('.card__image'),
    intro: 'And this is our final step!'
  }]
}).start();