![Implementations are missing navigator.serviceWorker in workers · Issue #1552 · w3c/ServiceWorker · GitHub Implementations are missing navigator.serviceWorker in workers · Issue #1552 · w3c/ServiceWorker · GitHub](https://user-images.githubusercontent.com/7726025/98025654-d76a6d00-1dbe-11eb-8c51-ebef8ddfdf5c.png)
Implementations are missing navigator.serviceWorker in workers · Issue #1552 · w3c/ServiceWorker · GitHub
![Thomas Steiner on Twitter: "@TalAter @webkit • Background Sync: ❌ navigator. serviceWorker.getRegistration().then(reg => console.log('sync' in reg)) https://t.co/ZAUgPDSYnj" / Twitter Thomas Steiner on Twitter: "@TalAter @webkit • Background Sync: ❌ navigator. serviceWorker.getRegistration().then(reg => console.log('sync' in reg)) https://t.co/ZAUgPDSYnj" / Twitter](https://pbs.twimg.com/media/DRj0LQgXcAAjHC1.png)
Thomas Steiner on Twitter: "@TalAter @webkit • Background Sync: ❌ navigator. serviceWorker.getRegistration().then(reg => console.log('sync' in reg)) https://t.co/ZAUgPDSYnj" / Twitter
![Testing Service Workers, TypeError: undefined is not an object (evaluating ' navigator.serviceWorker.register') and SSL with Quarkus : Adam Bien's Weblog Testing Service Workers, TypeError: undefined is not an object (evaluating ' navigator.serviceWorker.register') and SSL with Quarkus : Adam Bien's Weblog](https://i.ytimg.com/vi/ljSQXfc-GkA/maxresdefault.jpg)