self.addEventListener('activate', e => { | |
e.waitUntil(self.registration.navigationPreload.enable()); | |
}); | |
self.addEventListener('fetch', e => { | |
internals.collectGarbage(); | |
// Sleeps 100 ms. | |
var end = Date.now() + 100; | |
while (Date.now() < end); | |
e.respondWith(new Response("hello")); | |
}); |