Angular 4 interview questions are an integral part of front-end tech interviews since Angular is a hugely popular web and application development framework. Angular 4 is open source and based on JavaScript. It uses HTML, CSS, and TypeScript to build compelling user interfaces used worldwide. To ace your Angular 4 interview, you must practice the most frequently-asked Angular 4 interview questions in FAANG interviews.
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Angular 4 interview questions are an integral part of front-end technical and coding interviews. In this article, we will go through the top interview questions Angular 4 for freshers and experienced front-end developers.
We will cover these topics:
Angular 4 developers are responsible for delivering complete front-end application solutions. They ensure that the application solutions they deliver are high on performance, efficiency, and responsiveness on desktop and mobile. They are also responsible for writing, testing, and documenting code in HTML, CSS, and JavaScript.
They liaison between graphic designers, HTML coders, and front-end developers. They also need to coordinate their workflow with the team of back-end developers when working on RESTful API integration. Their role also includes communicating with external web services from time to time.
With every business going online the world over, the demand for skilled front-end Angular developers has risen rapidly over the last few years.
The questions asked in Angular 4 interview questions are typically based on the following topics:
Most Angular 4 questions asked in FAANG interviews are based on the Angular framework and the concepts mentioned above. To help you prepare for your Angular interview, we have compiled the most frequently asked interview questions on Angular 4 below:
We have put together some Angular 4 interview questions and answers that are commonly asked in tech interviews. Make sure you practice questions like these to increase your chances of nailing your front-end developer interview.
Q1. What are the different types of binding options in Angular 4?
A. Data binding is a crucial Angular component. The binding process in Angular 4 establishes synchronization between different layers of an application, such as Model and View. The data binding feature has been available since Angular 2. There are several different kinds of binding available such as:
Q2. Differentiate between Directives and Components in Angular 4.
A. An Angular Directive is used to define a Class and used at run time for instantiating and processing. An Angular component is defined using a Decorator and is a basic class that interacts with components of web pages such as HTML and UI elements. Every component possesses a predefined template.
Q3. How is Typescript useful in Angular 4?
A. Typescript is a general-purpose programming language by Microsoft, and it serves as a superset of JavaScript. The entire Angular 4 framework is built on Typescript, so it is the primary language for Angular developers. To develop Angular apps, Typescript is used to write code that is later transpiled for multiple browser versions or platforms using a transpiler.
Q4. Explain the concept of Components in Angular 4.
A. An Angular Component is a basic class that interacts with components of web pages such as HTML and UI elements and is defined using decorators. Every component comes with a predesigned template and allows for the definition of selector, style, and template inside the component to add more functionality.
Q5. What do you understand about Modules in Angular 4?
A. An Angular Module is a file where Components, Directives, Pipes, and Services are grouped to make a fully functional application. Angular applications have root modules that are defined within the Typescript file format app.module.ts. A NgModule is used to define a module in Angular 4.
Here are some Angular 4 interview questions and answers for experienced front-end engineers and developers:
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Here are some advanced Angular 4 interview questions for experienced candidates:
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Take a look at these Angular 4 interview questions for developers:
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Q1. What is the salary of an Angular developer?
The average starting salary of an Angular developer is approximately $114,989 per year. Senior developers can make up to $140,724 per year.
Q2. Are Angular 4 developer jobs in demand?
A. Angular 4 developer jobs continue to be in demand because the Angular framework is used for developing modular capabilities, scalable libraries, and advanced interactive features in web applications of enterprises the world over. Because of the Dependency Injection feature, the Angular platform uses HTML extensively, making the assembly of the application very easy. With additional features like versatility and independence thanks to the sophisticated MVC architecture, Angular 4 is one of the most in-demand UI frameworks in the market today.
Q3. Which companies use Angular?
A. Some of the major companies that use Angular for web development are Microsoft Office, Gmail, PayPal, Forbes, Deutsche Bank, Samsung, UpWork, Grasshopper, Delta, Santander, Mixer, Overleaf, and more.
Q4. What are the top skills an Angular developer should have?
A. The top skills an Angular developer should have are Core JavaScript, Angular framework, TypeScript, HTML and CSS, RESTful API integration, adjacent technologies such as Node and Webpack, eye for detail to write high-quality code, good communication skills, and teamwork skills.
Q5. What are the top Angular 4 interview questions?
Some of the most commonly asked Angular 4 questions are:
With the demand for Angular jobs rising, the competition is stiff. The key to acing the interview is to be adequately prepared for the interview. Register for IK’s webinar today to learn how you can leverage best-in-class interview preparation courses and mock interviews with experts.
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