Mastering MEAN Web Development Expert Full Stack JavaScript (Video 25)

This video tutorial explains how to add authorization headers to HTTP requests in Angular. It covers setting up request options, creating helper functions to handle tokens, and implementing these headers in the app.js file. The tutorial also discusses using a token service with dependency injection and integrating these features into services. Finally, it summarizes the process and outlines future learning steps.

What is the primary purpose of using observables in the context of token management?

• To enhance the speed of HTTP requests

• To manage API request errors

• To keep track of the signed-in state

• To store user data securely

What is the most crucial component of the request options object in Angular?

• The URL

• The request method

• The request headers

• The search parameters

Why is it necessary to set the content type to 'application/json' in request headers?

• To increase the speed of the request

• To enable caching of the request

• To allow cross-origin requests

• To ensure the API can parse the request body

How does the merge function assist in managing request headers?

• It encrypts the headers

• It validates the headers

• It combines existing headers with new ones

• It deletes existing headers

Where should the code for creating the authorization header be placed?

• In the main component

• In the HTML template

• In the token service

• In the app.js file

What is the role of the token service in the context of service calls?

• To provide updated request options with authorization headers

• To manage user sessions

• To store user preferences

• To log API request errors

What should be verified in the Chrome DevTools when adding a new Jedi Master?

• The status code of the response

• The presence of the authorization bearer token in the request headers

• The response time of the API

• The size of the request payload