| self.addEventListener('fetch', function(event) { | |
| // Use an empty content-type value to force mime-sniffing. Note, this | |
| // must be passed to the constructor since the mime-type of the Response | |
| // is fixed and cannot be later changed. | |
| var res = new Response('<!DOCTYPE html>\n<h1 id=\'testid\'>test</h1>', { | |
| headers: { 'content-type': '' } | |
| }); | |
| event.respondWith(res); | |
| }); |