hijacking-response.js

// Offline Web Applications course on Udacity https://classroom.udacity.com/courses/ud899

self.addEventListener('fetch', function(event) {
  //Tell the browser that we're going to handle this request ourselves
  //Takes a response object or a Promise, that resolves to a Response
  event.respondWith(
    new Response('Hello <strong class="a-winner-is-me">world</strong>', { //String is an example, this isn't the only option here
      headers: {'Content-Type', 'text-html'} //Need to set the content type to make sure the HTML in the string is parsed
    });
  );
});