Service Workers
These are JavaScript scripts that run in the background, separate from web pages, and allow high-performance net applications. They act as a proxy among web pages and the network, allowing community request management, caching, and background processing. Service Workers provide functions like offline assist, push notifications, and background sync is an important part of innovative web packages (PWAs). Read More – Service Workers.
How to Manipulate DOM using Service Worker ?
Using a service worker, indirectly manipulates the DOM through communication with the client page it controls.