Mastering MEAN Web Development Expert Full Stack JavaScript (Video 17)

This video tutorial guides viewers through connecting an Angular app to a backend API using Express, Mongoose, and MongoDB. It covers configuring the app with Webpack, creating an Angular service for API interaction, and implementing this service in components. The tutorial also demonstrates how to handle data using observables and manage API endpoints for CRUD operations on Jedi Masters.

What is the primary goal of connecting an Angular app to a backend API?

• To reduce the app's memory usage

• To improve the app's loading speed

• To enable data exchange between the frontend and backend

• To enhance the visual design of the app

Which tool is used to manage environment variables and configuration in the Angular app?

• Parcel

• Webpack

• Grunt

• Gulp

What is the purpose of the string replace Webpack plugin in the configuration process?

• To minify JavaScript files

• To replace placeholders with actual configuration values

• To optimize image loading

• To compile TypeScript files

What is an observable in Angular's HTTP service?

• A method for handling user input

• A static data structure

• A constant stream of data

• A type of CSS styling

What role does the injectable decorator play in Angular services?

• It styles the service

• It tests the service

• It compiles the service

• It allows the service to be used as a dependency injection

How does the Angular service fetch data from the API?

• By using cookies

• By using a direct database connection

• By using HTTP requests and observables

• By using local storage

What is the purpose of the handle save event handler in the component?

• To delete a Jedi Master

• To refresh the page

• To save changes to a Jedi Master and redirect the user

• To log user activity