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Learn ECMAScript

You're reading from   Learn ECMAScript Discover the latest ECMAScript features in order to write cleaner code and learn the fundamentals of JavaScript

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Product type Paperback
Published in Feb 2018
Publisher
ISBN-13 9781788620062
Length 298 pages
Edition 2nd Edition
Languages
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Authors (2):
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Narayan Prusty Narayan Prusty
Author Profile Icon Narayan Prusty
Narayan Prusty
MEHUL MOHAN MEHUL MOHAN
Author Profile Icon MEHUL MOHAN
MEHUL MOHAN
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Toc

Table of Contents (14) Chapters Close

Preface 1. Getting Started with ECMAScript FREE CHAPTER 2. Knowing Your Library 3. Using Iterators 4. Asynchronous Programming 5. Modular Programming 6. Implementing the Reflect API 7. Proxies 8. Classes 9. JavaScript on the Web 10. Storage APIs in JavaScript 11. Web and Service Workers 12. Shared Memory and Atomics 13. Other Books You May Enjoy

The indexedDB - storing large data


The indexedDB is a relatively new and low-level API compared to the other storage mediums we've already discussed. It is used to store large amounts of data compared to local storage. However, the drawback of this is that it is difficult to be used and set up.

What you can do with local storage in a few lines may take a lot of lines and callbacks in indexedDB. Therefore, be careful when using it. If you're using it in your application, we recommend that you use popular wrappers instead of directly writing the endpoints, as that will make things easier.

TheindexedDB is so vast that it would be fair to say it deserves a whole chapter on its own. We can't cover each and every aspect in this chapter, but we'll try to convey the key information required.

Opening an indexedDB database

The indexedDB object is available on the window object. You will need to actually open a database in order to store data in indexedDB, shown as follows:

const open = window.indexedDB...
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