HTML CSS and JavaScript for Beginners - A Web Design Course - JavaScript Fetch

The video tutorial explains how to use the Fetch API in JavaScript to connect to an API and retrieve JSON data. It highlights the promise-based nature of Fetch, contrasting it with older XHR requests. The tutorial provides a step-by-step guide on implementing Fetch, handling JSON responses, and outputting data to the console. It also covers practical tips for using Fetch with local and file protocols, emphasizing the importance of working with data in object format.

What is one of the main advantages of using the Fetch API over XHR requests?

• It is faster than XHR requests.

• It is promise-based, allowing for easier asynchronous operations.

• It is compatible with older browsers.

• It requires less code to implement.

When using Fetch, what is the purpose of the 'then' method?

• To handle errors in the Fetch request.

• To initialize the Fetch request.

• To cancel the Fetch request.

• To process the response once it is received.

What is the role of the 'const' keyword when setting up a URL in JavaScript?

• It makes the URL accessible globally.

• It declares a variable that cannot be reassigned.

• It ensures the URL is only used once.

• It allows the URL to be changed later in the code.

Why is it important to specify the correct protocol when using Fetch on a local machine?

• To allow the use of HTTP methods.

• To speed up the data retrieval process.

• To prevent the Fetch request from failing.

• To ensure the data is encrypted.

What type of data does the example API 'random user' generate?

• Product data

• Financial data

• Weather data

• User type data