angular 8 interview questions

26 Top Angular 8 Interview Questions And Answers To Know

Q1: Explain the difference between Promise and Observable in Angular?
Q2: Explain Lazy Loading in Angular?
Q3: What are Custom elements?
Q4: What are the utility functions provided by RxJS?
Q5: What is AOT?
Q6: What is Angular Ivy?
Q7: What is Bazel?
Q8:

What Is Angular 8?

Angular 8 is a client-side TypeScript based framework used to create dynamic web applications. It is very similar to its previous versions except having some extensive features. It was developed by the same team that develops AngularJSand is a complete rewrite of its first version. Now, this is led and maintained by the Angular Team at Google and a

When Was Angular 8 Released, and How Was It Different from Angular 7?

Angular 8 was released on May 28, 2019, worldwide. It has a lot of similarity to its previous versions, such as Angular 7, except having some extensive features. The most distinguish features of Angular 8 are: 1. Angular 8 provides differential loading for all application code. 2. Dynamic imports for lazy routes 3. Web workers 4. It provides suppor

Why Is Angular So Popular in Modern Application Development?

Nowadays, Angular is a very popular framework and platform which had made robust web applications development very easy. There are many reasons behind its popularity: it unites the declarative templates, dependency injection, the end to end tooling, and integrates the top perform to resolve developers' development challenges. Angular 8 facilitates

What Are The Most Prominent Features of Angular 8?

Angular 8 is a very popular Typescript development framework used to develop Web Applications. Following is the list of most prominent features of Angular 8 that makes this framework powerful. Angular 8 support Cross-Platform Features 1. The Angular 8 platform can be used to develop Progressive Web Apps. By using Angular 8, you can develop an extre

What Do You Know by Bazel in Angular 8?

Bazel is a new feature of Angular 8. It is a new build system available for a short period and provides a platform to make your back-end and front-end with a similar tool. Following is the list of main features of Bazel: 1. Bazel is an internal build tool that is used to customize the application. 2. Bazel is used to test the action and performance

What Is The Use of The Wildcard Route in Angular 8?

In Angular 8, the Wildcard route is used to define the route of pages. You can make specific changes/updates while defining the route using Wildcard. javatpoint.com

What Is The Usage of Codelyzer?

Codelyzer is an open-source tool in Angular 8 that sits on top of TSLint. It is used to check whether Angular TypeScript projects follow a set of rules or not. It also checks the errors in codes, not following pre-defined rules. It contains more than 50 rules for checking if an Angular application follows best practices. It runs on the tslint.json

How Angular 8 Has Enhanced The Performance Over Its Previous versions?

Angular 8 consists of advanced level features such as differential loading, CLI workflow improvements, Dynamic imports for lazy routes, Ivy rendering engine, Bazel, etc. which ensure systematic workflow and performance improvements. javatpoint.com

What Do You Mean by Ivy in Angular 8?

Ivy is the code name for next-generation compilation and Rendering pipeline or Rendering Engine. It was released in Angular 8 as Opt-in. At the release of Angular 9, Ivy was intended to be the by default rendering engine instead of the older compiler and runtime, known as View Engine. javatpoint.com

What Is The Usage of Wildcard Route in Angular 8?

In Angular 8, the Wildcard Router is used to set a route when the requested URL doesn't match any router paths. After using the Wildcard Router, the set route matches to every URLas an instruction to get a clear client-generated view. This Wildcard route always comes last as it needs to perform its task at the end only. So, the Wildcard Router is m

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