Caching Limitations
Explore the limitations of the Cache API in Progressive Web Apps, including its restriction to GET requests. Understand how to detect offline status using navigator events and implement offline data storage with IndexedDB to support POST and PUT requests. Learn strategies for managing cache lifecycle and improving offline user experience.
We'll cover the following...
We'll cover the following...
Cache interface
The Cache API allows us to store request/response pairs on a local device. It is typically used in the context of service workers, but it can also be accessed from the window scope. Therefore, Cache API can also be used in a standard web app without a service worker enabled.
Nowadays, almost all browsers support it:
Cache API support (from caniuse.com)
As we have previously seen in the code examples, we must always give a unique name to each cache, ...