Angularjs Interview Questions For Experienced Professionals
Advanced AngularJS Interview Questions for Seasoned Professionals
Angularjs Interview Questions For Experienced Professionals
AngularJS interview questions for experienced professionals typically focus on advanced concepts like dependency injection, services, directives, routing, performance optimization, application architecture, and best practices. Employers may also inquire about real-world projects you have worked on, challenges you faced, and how you overcame them. In addition, you may be asked to demonstrate your problem-solving skills with complex scenarios related to AngularJS development and to showcase your understanding of the latest trends and updates in the AngularJS ecosystem. It's important to be prepared to discuss your experience with building scalable and maintainable applications, working with large datasets, testing strategies, and handling security concerns in AngularJS applications.
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1 - What are the key features of AngularJS?
AngularJS is known for its two way data binding, dependency injection, directives, filters, and routing capabilities. It also offers a modular structure, testing support, and the ability to extend HTML vocabulary.
2) Explain the concept of two way data binding in AngularJS.
Two way data binding in AngularJS allows the synchronization of data between the model and the view. Any changes made in the model will reflect in the view, and vice versa, without the need for explicit DOM manipulation.
3) How does dependency injection work in AngularJS?
Dependency injection is a design pattern in AngularJS that allows components to be decoupled from their dependencies. This promotes reusability and testability by injecting the dependencies rather than creating them within the component.
4) What are directives in AngularJS?
Directives are markers on a DOM element that tell AngularJS to attach a specific behavior to that DOM element or even transform it. Directives are a powerful feature in AngularJS that can be used to create custom behavior in HTML elements.
5) Explain the role of filters in AngularJS.
Filters in AngularJS are used to format data before rendering it in the view. They allow developers to manipulate and filter data in the view without changing the actual data in the model.
6) How does routing work in AngularJS?
Routing in AngularJS allows developers to create single page applications by defining routes and associating each route with a specific view template. When a user navigates to a different route, AngularJS dynamically updates the view without a full page reload.
7) What is the significance of testing support in AngularJS?
AngularJS provides built in support for unit testing and end to end testing through tools like Jasmine and Protractor. This allows developers to write test cases to ensure the proper functioning of their AngularJS applications.
8) How can you extend the HTML vocabulary in AngularJS?
AngularJS allows developers to create custom directives to extend the HTML vocabulary. By defining custom directives, developers can encapsulate complex functionalities and reuse them throughout the application.
9) How does AngularJS promote modularity in application development?
AngularJS encourages the use of modules to divide an application into smaller, manageable components. Modules help in organizing code, promoting reusability, and facilitating collaboration among developers on large projects.
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