问题
We want to build a Videoportal as a PWA. Every video will have a watch offline feature. Can this be done via the Serviceworker caching? Or should another Download-Mechanism enable this Feature. The videos size is about 120mb. Target Device is Android and Web.(Sorry for bad english)
来源：https://stackoverflow.com/questions/44303314/videoportal-pwa-progressive-web-app-video-offline-function