The commands can either be directly used on the command prompt or can be used indirectly through an interactive UI i.e. Angular's service worker is designed to optimize the end user experience of using an application over a slow or unreliable network connection, while also minimizing the risks of serving outdated content. angular code to clear browser cache on browser run tiem Code Example Service worker and caching from other origins - GitHub Pages Angular 如何使用service worker缓存映像？ ,angular,xmlhttprequest,browser-cache,service-worker,Angular,Xmlhttprequest,Browser Cache,Service Worker,我是角度世界的新手，我遵循一个教程，从同一个角度创建了一个PWA应用程序。 However, occasionally a bugfix or feature in the Angular service worker requires the invalidation of old caches. Angular Service Worker CORS Error - Cloudflare Community Two failed audits ("Does not register a service worker" and "Does not respond with a 200 when offline") are related to Service Workers and caching. OneSignal Service Worker Serve the content from the cache and also perform a network request to get fresh data to update the cache entry ensuring next time the user visits the page they will see up to date content. You can see which files get cached by printing it to console, i.e. Just beware, unregistering the service worker does not purge the Cache. I know the Angular site achieves this with a service worker. npm clear cache - Javatpoint In this example, the onfetch event handler in the service worker will respond back to the page with a match from the cache if it exists and if there isn't an entry in the cache, it will defer to making a fetch to the internet instead. It may look like Web Workers can be used only in Vanilla JS apps. They are used as a proxy for network requests, more specifically, service workers can be used to intercept requests and modify them as well as cache responses. You can place it in src root of your Angular/React project (then you will run "npm run build" and perform build it automatically replace . Service workers can break things terribly if implemented wrong though, and even the Angular site had issues with their service worker caching.