What is IndexedDB used for?

What do you use IndexedDB for?

IndexedDB is a newer facility for storing large amounts of data in the browser. You can use it to store data of any JavaScript type, such as an object or array, without having to serialize it. All requests against the database are asynchronous, so you get a callback when the request is completed.

Is it good to use IndexedDB?

Where Is It a Good Fit? As I've alluded to, IndexedDB is a good fit if your client-side data needs are more complex than what Local/SessionStorage can provide (i.e. you're looking for more than a simple Key/Value store in your application). Yes, you can use JavaScript functions (such as JSON. stringify and JSON.

Why is it better to use IndexedDB instead of LocalStorage?

localStorage is useful for storing smaller amounts of data, it is less useful for storing larger amounts of structured data. So if you want to store significant amounts of structured data then IndexedDB is what you should choose.

Should I use IndexedDB or LocalStorage?

In both Firefox and Chrome, IndexedDB is slower than LocalStorage for basic key-value insertions, and it still blocks the DOM. In Chrome, it's also slower than WebSQL, which does blocks the DOM, but not nearly as much.