Skip to content

Instantly share code, notes, and snippets.

What would you like to do?
if ('serviceWorker' in navigator && location.hostname !== "localhost") {
window.addEventListener('load', function() {
navigator.serviceWorker.register(‚service-worker.js’).then(function(reg) {
// updatefound is fired if service-worker.js changes.
reg.onupdatefound = function() {
var installingWorker = reg.installing;
installingWorker.onstatechange = function() {
switch (installingWorker.state) {
case 'installed':
if (navigator.serviceWorker.controller) {
setTimeout(function() {
}, 5000);
} else {
// At this point, everything has been precached.
// It's the perfect time to display a "Content is cached for offline use." message.
console.log('Content is now available offline!');
case 'redundant':
console.error('The installing service worker became redundant.');
}).catch(function(e) {
console.error('Error during service worker registration:', e);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.