The Complete React Developer Course (with Hooks and Redux) - Saving and Loading Options Data

The video tutorial covers the basics of using local storage in web applications, focusing on its persistence across page loads. It explains how to set, get, and remove items using local storage methods, and addresses the limitation of local storage only handling string data. The tutorial demonstrates converting objects and arrays to strings using JSON methods for storage. It also covers implementing these techniques in a React application, handling edge cases, and making final tweaks to ensure robust functionality.

What are lifecycle methods used for in the context of local storage?

What is the significance of using key-value pairs in local storage?

Describe the process of setting an item in local storage.

Explain how local storage can persist data between page loads.

How can you remove an item from local storage?

How does local storage handle data types, particularly numbers?

What is JSON and how is it used with local storage?

How can you check if the options array length has changed before saving data?

What happens if you try to parse invalid JSON data from local storage?

What is the purpose of using try-catch when working with JSON data?