Angular Questions And Answers
Exploring Angular: Questions and Answers
Angular Questions And Answers
Angular questions and answers typically involve discussions about the Angular framework, commonly used for developing dynamic web applications. These questions can cover a wide range of topics such as components, directives, services, data binding, routing, and more. Users seek answers to troubleshoot issues, improve performance, optimize code, or gain a better understanding of Angular features. Responses may include code examples, explanations, tips, best practices, or recommendations to assist users in effectively utilizing Angular for their projects.
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1 - What is Angular?
Angular is a popular open source web application framework developed by Google. It is widely used for building dynamic single page web applications.
2) What are the key features of Angular?
Some key features of Angular include two way data binding, dependency injection, directives, and powerful templating capabilities that make it easy to build interactive and responsive web applications.
3) What is two way data binding in Angular?
Two way data binding in Angular allows for synchronization of data between the model and the view automatically. This means that any changes made in the model are immediately reflected in the view and vice versa.
4) What are directives in Angular?
Directives are markers on a DOM element that tell Angular to attach a specific behavior to that element. They are a powerful feature of Angular that allows developers to create reusable components and enhance the functionality of HTML elements.
5) What is dependency injection in Angular?
Dependency injection is a design pattern used in Angular to provide a way to inject dependencies into components. It helps in making components more modular, testable, and maintainable by allowing them to depend on abstractions rather than concrete implementations.
6) What are services in Angular?
Services in Angular are singleton objects that are used to encapsulate and share logic across different components. They are commonly used for data sharing, communicating with external APIs, and performing common tasks in an Angular application.
7) What is Angular CLI?
Angular CLI (Command Line Interface) is a powerful tool provided by Angular that helps developers to create, build, test, and deploy Angular applications quickly and efficiently. It provides various commands to generate components, services, modules, and more with just a few keystrokes.
8) How to handle forms in Angular?
Angular provides two approaches for handling forms: template driven forms and reactive forms. Template driven forms are easy to use and suitable for simple forms, while reactive forms provide more flexibility and control over form validation and submission.
9) What is routing in Angular?
Routing in Angular is a mechanism that allows developers to create single page applications with multiple views. It enables navigation between different components based on the defined routes, making the application more interactive and user friendly.
10) How to make HTTP requests in Angular?
Angular provides a built in HttpClient module that allows developers to make HTTP requests to fetch data from external APIs. By using HttpClient, developers can easily handle GET, POST, PUT, DELETE, and other HTTP methods to interact with backend servers.
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