7 Angular Interview Questions to Ask & the Answers to Them

Angular is a popular JavaScript framework for building web applications. If you're looking to hire an Angular developer, it's important to ask the right questions and administer the perfect Angular assessment test to evaluate their skills and experience.

In this article, we'll share some important Angular interview questions to ask developers, as well as what to look for in their answers.

Interview Questions for Junior Developers

1. Which Skills Are Required to Use Angular?

There are a few key skills that are required to use Angular effectively. First, candidates should have a good understanding of HTML and CSS. They should also be familiar with JavaScript and TypeScript, as these are the programming languages used to build Angular applications. Additionally, it’s helpful if candidates have experience with other web frameworks, as this can give them a better understanding of how Angular works.

2. What Are the Benefits of Using Angular?

There are several benefits to using Angular, which is why it’s become such a popular framework.

First, Angular is a great way to build single-page web applications. This means that all of the content for your application is loaded on one page, which makes it much faster and easier to use.

Additionally, Angular is very well-supported by Google, which means that many resources are available to help you learn and use the framework.

Finally, Angular is constantly being updated with new features and improvements, which means it’s constantly evolving to meet the needs of developers.

3. How Does Angular Work?

Angular applications are built using a Model-View-Controller (MVC) architecture. This means that there are three different parts to an Angular application: the model, the view, and the controller. The model is the data that’s being used by the application. The view is what the user sees, and the controller is responsible for handling user input and updating the model. This separation of concerns makes building large and complex Angular applications easier.

4. Is There a Disadvantage to Using Angular?

The only potential disadvantage to using Angular is that it is a relatively new framework. This means that there is less community support and documentation available.

Interview Questions for Senior Developers

1. What Do Promises Do in Angular?

Promises in AngularJS are used to handle asynchronous operations. They provide a way to return a value from a function that will be executed at some point in the future. This is important for ensuring that code runs orderly and that data is processed in the correct order.

2. What Do Services Do in Angular?

Services in AngularJS are used to share data and functionality between different parts of the application. They are typically used for common tasks across the application, such as fetching data from a server or performing authentication tasks.

3. What Is a JIT Compilation?

JIT compilation is a way of compiling AngularJS applications efficiently. It allows the application to be compiled on the fly, improving performance. Additionally, JIT compilation can help reduce the size of the application, which is important for loading times.

Final Thoughts

These are some great Angular interview questions to ask developers to gauge their understanding of the framework. By asking about specific features and functionality, you can better understand how well a candidate knows Angular and whether they would be a good fit for your project.

Aside from asking the best questions, improve your assessments with an Angular code test online from Kandio. Kandio is a strategic tool that will help hiring companies evaluate the tech know-how of their candidates. Book a demo to learn more about Kandio’s amazing features.

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