Angular 8 Pertanyaan dan Jawaban Wawancara
Ques 1. What is Angular 8?
Angular is a TypeScript-based open-source framework for building web applications.
Example:
const app = angular.module('myApp', []);
Ques 2. When was Angular 8 released, and how was it different from Angular 7?
Angular 8 was released on May 28, 2019, worldwide. Some extensive featres are:
- Angular 8 provides differential loading for all application code.
- Dynamic imports for lazy routes
- Web workers
- It provides support for TypeScript 3.4
- It provides Angular Ivy as an opt-in preview
Ques 3. Can we upgrade the older version of Angular that we have installed on our system to the Angular 8 version? If yes, then how?
Yes. If you want to upgrade your Angular CLI or any older version of Angular to Angular version 8, you can easily do it. /n First, check the older version of Angular that you are using. Run the ng --version command on the Node.js command prompt. n Now, you have to uninstall the older version of Angular by using the following command.
Example:
npm uninstall -g angular-cli // For Windows Open Powershell on Administrator Mode --- and --- sudo npm uninstall -g angular-cli // For Mac
Ques 4. Explain Angular modules.
Angular modules are containers for a group of related components, directives, pipes, and services. They help in organizing and consolidating the functionality of the application.
Example:
@NgModule({
declarations: [AppComponent],
imports: [CommonModule],
providers: [DataService],
bootstrap: [AppComponent]
})
Ques 5. What is two-way data binding in Angular?
Two-way data binding is a feature in Angular that allows automatic synchronization of data between the model and the view. Changes in the model automatically update the view, and vice versa.
Example:
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