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- Why were client-side frameworks like Angular introduced? Back in the day, web developers used VanillaJS and jQuery to develop dynamic websites but, as the logic of one's website grew, the code became more and more tedious to maintain.
- How does an Angular application work? Every Angular app consists of a file named angular.json. This file will contain all the configurations of the app.
- What are some of the advantages of Angular over other frameworks? Features that are provided out of the box - Angular provides a number of built-in features like,routing, state management, rxjs library and http servicesstraight out of the box.
- List out differences between AngularJS and Angular. Architecture. AngularJS uses MVC or Model-View-Controller architecture, where the Model contains the business logic, Controller processes information and View shows the information present in the Model.
- What Is The Difference Between AOT and JIT?
- Explain The @Component Decorator.
- What Are Services in Angular?
- What Are Promises and Observables in Angular?
- What Is Ngoninit? How Is It defined?
- How to Use ngFor in A tag?
- What Are Template and Reactive Forms?
- What Is Bootstrap? How Is It Embedded Into Angular?
- What Is Eager and Lazy loading?
- What Type of Dom Does Angular implement?
- GeneratedCaptionsTabForHeroSec
Ahead of Time (AOT) compilation converts your code during the build time before the browser downloads and runs that code. This ensures faster rendering to the browser. To specify AOT compilation, include the --aot option with the ng build or ng serve command. The Just-in-Time (JIT) compilation process is a way of compiling computer code to machine ...
TypeScript class is one that is used to create components. This genre of class is then decorated with the "@Component" decorator. The decorato’s purpose is to accept a metadata object that provides relevant information about the component. The image above shows an App component - a pure TypeScript class decorated with the “@Component” decorator. Th...
Angular Servicesperform tasks that are used by multiple components. These tasks could be data and image fetching, network connections, and database management among others. They perform all the operational tasks for the components and avoid rewriting of code. A service can be written once and injected into all the components that use that service.
While both the concepts deal with Asynchronous events in Angular, Promises handle one such event at a time while observables handle a sequence of events over some time. Promises - They emit a single value at a time. They execute immediately after creation and are not cancellable. They are Push errors to the child promises. Observables - They are on...
ngOnInit is a lifecycle hook and a callback method that is run by Angular to indicate that a component has been created. It takes no parameters and returns a void type. export class MyComponent implements OnInit { constructor() { } ngOnInit(): void { //.... } }
The ngFor directive is used to build lists and tables in the HTML templates. In simple terms, this directive is used to iterate over an array or an object and create a template for each element. {{ item }} 1. “Let item” creates a local variable that will be available in the template 2. “Of item...
Template-driven approach 1. In this method, the conventional form tag is used to create forms. Angular automatically interprets and creates a form object representation for the tag. 2. Controls can be added to the form using the NGModel tag. Multiple controls can be grouped using the NGControlGroup module. 3. A form value can be generated using the...
Bootstrap is a powerful toolkit. It is a collection of HTML, CSS, and JavaScript tools for creating and building responsive web pages and web applications. There are two ways to embed the bootstrap library into your application. 1. Angular Bootstrapvia CDN - Bootstrap CDN is a public Content Delivery Network. It enables you to load the CSS and Java...
Eager loading is the default module-loading strategy. Feature modules under Eager loading are loaded before the application starts. This is typically used for small size applications. Lazy loading dynamically loads the feature modules when there's a demand. This makes the application faster. It is used for bigger applications where all the modules ...
DOM (Document Object Model) treats an XML or HTML document as a tree structure in which each node is an object representing a part of the document. Angular uses the regular DOM. This updates the entire tree structure of HTML tags until it reaches the data to be updated. However, to ensure that the speed and performance are not affected, Angular imp...
Learn the most asked and common Angular interview questions and answers for beginners, intermediate and advanced levels. Find out the features, advantages, updates and scenarios of Angular, a popular JavaScript framework for web development.
- What is AngularJS and who created it? AngularJs is a Javascript open-source front-end framework that is mainly used to develop single-page web applications(SPAs).
- What are the features of AngularJS? There are so many features in AngularJS like MVC Framework, The unique AngularJS Router, User Interface with HTML, Directives, Scope, Data Binding, Dependency Injection, Compability, Avoid Tiresome Work and High Performance.
- Explain what is scope and Data Binding in AngularJS? Scope: Scope in AngularJS is the binding part of HTML view and JavaScript controller. When you add properties into the scope object in the JavaScript controller, only then the HTML view gets access to those properties.
- How many types of data bindings are there in AngularJs? There are four kinds of data bindings in AngularJS Event Binding, Property Binding, Two way Binding and Interpolation Binding.
Learn the basics of Angular, its features, advantages, and differences with AngularJS. Find out how to use Angular expressions, pipes, and directives in HTML templates.
2 days ago · Prepare for your Angular job interview with these top questions and answers on basic, intermediate, and advanced topics. Learn about Angular features, advantages, technologies, components, services, pipes, and more.
- This is a straightforward question that requires you to give a duration for which you have worked remotely. For example, if you have been working r...
- The interviewer wants to assess the ease with which you can keep in touch and seamlessly work with a remote team. Outline your experience working w...
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- This question is an extension of the previous question. The interviewer wants to ensure that you are well-organized and can deliver tasks on time....
- The interviewer may want to know what resources you may need to perform your work efficiently. These may include access to specific software. Be su...
- This is an extension of the previous question. Think of a scenario where the lack of a particular resource was a challenge. Maybe you found a free...
- The interviewer wants to know that you are serious about your work and that you won’t be constantly disturbed. Unlike an office, a house may have s...
- The remote developer jobs interview questions are designed to assess the body of work that you have successfully completed in the remote environmen...
- Through the remote programmer jobs interview questions, the interviewer wants to know whether there are sustainable and strong reasons for you to c...
- Outline skills like task-focus, time-management, careful planning, and the ability to shut out distractions. Additionally, you can also talk about...
Explore the ultimate list of the top 60 Angular interview questions with detailed answers. Elevate your interview game and conquer Angular interviews with confidence!
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Jul 27, 2020 · 50+ Top Angular Interview Questions and Answers. This set of Angular interview questions will certainly be helpful for your interview, and also a recap of Angular. By. Vijay Singh...
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