Pwa@gautam

Static Elements Caching Adding different files to caches one by one , and also serving from service worker addAll for caching multiple files  Dynamic caching since we don't know all the requests which we require so we can dynamically cache those , if it is not found in the caches then first make request and then store response . Adding cache versioning why do we need cache vesrsions           If we will do some change in a file ,then if that file is already cached changes does  not reflect            since service worker will serve same old version of the files .           so we have to maintain different version of cache , also we need to clean previous version so                that files will be not served from previous version      code used   sw.js var CACHE_STATIC_NAME = 'stati...

Service worker runs on a separate single thread . Available for all the pages of the application. Service worker lives on even if browser is closed its a background process  it listen to events and react on events  service worker is attached with scope and tun in background  Events Listen by Service Worker   Fetch  Push Notification  Notification Interaction  Background Sync (store user response and send when internet connection is there)  Service Worker life cycle Service Worker LifeCycle Steps   Generally Index.html file includes app.js ( general code structure)   From  App.js we can register service worker    while registering it emits Install event    After installation is finished Activation event  will be triggered (note that if there is any old         version of service worker is running in some tab than this activation will be not trigg...

1. manifest.json file   we need to create a manifest .json file and need to add this file in the head section of all the pages         so   that configuration which we have written in this file will be applied to all the pages . ex- <link rel="manifest" href="/manifest.json"> 2.  what does manifest.json file contains