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how can indexeddb be offline #3270

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how can indexeddb be offline
joaquinelio Nov 19, 2022
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joaquinelio Nov 19, 2022
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joaquinelio Nov 19, 2022
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4 changes: 2 additions & 2 deletions 6-data-storage/03-indexeddb/article.md
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Expand Up @@ -12,7 +12,7 @@ IndexedDB is a database that is built into a browser, much more powerful than `l
- Supports key range queries, indexes.
- Can store much bigger volumes of data than `localStorage`.

That power is usually excessive for traditional client-server apps. IndexedDB is intended for offline apps, to be combined with ServiceWorkers and other technologies.
That power is usually excessive for traditional client-server apps. The main benefit of IndexedDB is performance, as all the db operations are executed locally without worrying about network speed, and they are intended to be combined with ServiceWorkers (to deal in the background with the cloud update for example) and other technologies.

The native interface to IndexedDB, described in the specification <https://www.w3.org/TR/IndexedDB>, is event-based.

Expand Down Expand Up @@ -819,7 +819,7 @@ let result = await promise; // if still needed

## Summary

IndexedDB can be thought of as a "localStorage on steroids". It's a simple key-value database, powerful enough for offline apps, yet simple to use.
IndexedDB can be thought of as a "localStorage on steroids". It's a simple key-value database, powerful enough for offline work, yet simple to use.

The best manual is the specification, [the current one](https://www.w3.org/TR/IndexedDB-2/) is 2.0, but few methods from [3.0](https://w3c.github.io/IndexedDB/) (it's not much different) are partially supported.

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