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How Does An Angular Application Work?
Angular applications work by storing all of the configurations of the app in a single file named angular.json. When building the app, this file tells the builder the entry point of the application. This creates a browser environment for the application to run and then calls a function to bootstrap the application. The application being bootstrapped...
Why Was Angular introduced?
Before Angular was introduced as a client-side framework, developers generally used VanillaJS and jQuerywhen developing dynamic websites. But issues started to come up as websites became more complicated in both features and functionality. The code became harder to maintain and there was no provision of data handling facilities across the views by ...
What Are Some of The Advantages of Angular Over Other Frameworks?
Because ease of use is at the core of its design, Angular has a number of advantages over other frameworks. Many built-in features are provided straight “out of the box” (without needing to look for them separately), such as routing, state management, rxjs library, and HTTP services. Angular uses HTML to render the UI of an application, which is ea...
What Are The Differences Between Angularjs and Angular?
For this question, answering with a brief high-level overview can help show your ability to speak on a complex topic succinctly. Your answer could discuss how AngularJS (Angular JavaScript) and Angular use different command and operating languages. AngularJS uses the JavaScript language and MVC (Model-View-Controller) design model, while Angular us...
What Is AOT Compilation in Angular?
AOT (Ahead-of-Time) compilation refers to the application compiling during the build time, as opposed to JIT (Just-in-Time)compilation in which the application compiles inside the browser during runtime. Angular applications need to use AOT compilation because they include components and templates that, by default, a browser isn’t able to understan...
Explain The Ways to Achieve Data Binding in Angular
Data binding is used to connect application data with the DOM (Data Object Model). There are four main forms of data binding in Angular: 1. Event binding.This enables the application to respond to user input in the target environment. 2. Property binding.This enables the interpolation of values computed from application data into the HTML. 3. Two-w...
What Are Decorators and annotations? What Is The Difference Between them?
In Angular, decorators refer to the design patterns that separate decoration or modification of a class without altering the source code. A decorator adds metadata to a class, object, or method. An annotation is a hard-coded feature that reflects the metadata library. When set on the class, it creates an annotation array that is stored in that clas...
What Are The Lifecycle Hooks of Angular?
When a component is created, it cycles through its own life cycle of phases. Lifecycle hooks in Angular are used to check where a component is in its life cycle and to trigger changes at a specific phase Specific lifecycle hooks include: 1. ngOnChanges( ):Called when input properties of the component are changed. 2. ngOnInit( ):Called after the ngO...
What Are Directives in Angular?
Directives in Angular are classes that can be imported into components. These are often used when multiple components in an application need to have similar functionality. Rather than adding the same functionality to every component manually, the developer can create one directive with the functionality and import it to all of the relevant componen...
What angular interview questions do you ask?
When you’re interviewing for roles like Full-Stack Engineer and Front-End Engineer, it’s likely that you’ll be asked a handful of Angular-specific questions. If you’re looking for commonly asked Angular interview questions to practice, here are 10 popular ones to help you land your next role. 1. How does an Angular application work?
How to learn Angular JS?
If you want to learn Angular or AngularJS, check out some nice tutorials on Youtube. There are many more Angular interview questions and AngularJS interview questions but this list covers all the basics and most frequently asked concepts. Let us know in the comments if you want us to add questions from your personal experience into this list.
Should you get angular certification?
But, if you wish to learn Angular and perhaps make a career out of it, certification will come in handy. You can also explore and get familiar with interview questions related to other frontend languages like Angular, CSS or ReactJS interview questions.
How to define pipes in Angular 6?
A component is used to define pipes. You can’t define Pipes in a directive. Angular 6 Interview questions are always a level up and thus a little tough to crack. In the Updated Angular Command Line Interface or CLI, new commands have been added such as ng-update for migrating from previous versions to the current version.
