Cache Interface Documentation: Web API Methods for Persistent Storage
By
aanthonymax
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Summary
The article provides technical documentation for the Cache interface in web APIs, explaining how it enables persistent storage of Request/Response object pairs in browser memory. It details several instance methods including Cache.match(), Cache.matchAll(), Cache.add(), and Cache.addAll() that allow developers to retrieve, store, and manage cached responses. The interface works across windowed scopes and workers, not just service workers, providing long-lived memory caching capabilities for web applications.
Key quotes
· 4 pulledThe Cache interface provides a persistent storage mechanism for Request / Response object pairs that are cached in long lived memory
Cache.add() takes a URL, retrieves it and adds the resulting response object to the given cache
How long a Cache object lives is browser dependent, but a single origin's scripts can typically rely on the presence of a previously populated Cache object
The Cache interface is exposed to windowed scopes as well as workers. You don't have to use it in conjunction with service workers
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