Introduction to Angular 2 [A Most Popular JS Framework]

Angular 2 is a most popular framework for developing mobile apps. It is also for desktop as well mobile applications.

Angular 2 vs. Angular 1

Angular 4 vs. Angular 2

Angular 5 vs. Angular 4

Angular 6 vs Angular 5

The Angular 2 is focusing on data-binding, extensible HTML and on application test-ability but it is still in design and prototyping stage.

Angular framework helps us to build client applications in HTML and JavaScript.

Angular 2 is so simpler, faster, modular and instrumented design.

Angular 2 targeting to modern browsers and it is developing using ES6 (The ES6 is called ECMAScript version 6). It also support to ECMAScript version 5(ES5).

You don’t worry about the versions of ECMAScript. The compiler manages to the versioning related problems.

All the Angular 2 framework code is already being written in ECMAScript 6.

The set of modern browsers are

1. Chrome

2. Firefox

3. Opera

4. Safari

5. IE Version10 and 11.

Stayed Informed – 13 Best Advantages for Angular 2

On mobiles, it is supporting to the list of Chrome on Android, iOS 6+, Windows Phone 8+ and Fire-Fox mobile and also trying to support to older versions of Android.

The Angular 2 is using Traceur compiler to generate the nice ECMAScript 5/6 that runs everywhere you want to do.

Angular 2 team working with Traceur compiler team to provide the support to build some extensions. This set of extensions called “ES 6 +A”.

Stayed Informed – What's New In Angular 8?
Stayed Informed – What's New In Angular 7?

What is ECMAScript ES5/ES6?

The ECMAScript is a scripting language which is developed by Ecma International Org.

Currently ECMAScript available in multiple versions that are ES5 and ES6 and both of versions fully supported to Chrome, Firefox, Opera, Safari, and IE etc.

What is Traceur Compiler?

The “Traceur” is a JavaScript compiler. The Traceur compiler is very popular now days use to allow use to use the features from the future. This compiler is fully supported to ES5, ES6 and also to vNext. The main goal of Traceur compiler is to inform to design of new JavaScript features and wrote the programming code of new efficient and good manners.

What is Advantages of Angular 2?

1. There is many more advantage of Angular 2.

2. The Angular 2 has better performance.

3. The Angular 2 has more powerful template system.

4. The Angular 2 provide simpler APIs, lazy loading and easier to application debugging.

5. The Angular 2 much more testable.

6. The Angular 2 provides to nested level components.

7. The Angular 2 execute run more than two programs at the same time.

The Angular 2 architecture diagram identifies the eight main building blocks as.

1. Module

2. Component

3. Template

4. Outpouts

5. Data Binding

6. Directive

7. Service

8. Dependency Injection

The Angular 2 framework consists of several libraries, the some of them working as core and some are optional.
Angular 2 docs

Introduction of Angular 2	Setup Angular 2 in .NET MVC	Advantages of Angular 2
The Major Changes of Angular 2	Component Lifecycle Hooks	Support of Modern Browsers
Angular 2 Vs. Angular 1	Angular 4 Vs. Angular 2	Constructors Vs. OnInit
Use of ngInit and ngOnInit	ngOnInit() Vs. Constructors	HTTP Cookies
Dependency Injection (DI)	Inject() Vs. Injectable()	Features and Benefits
Bindings in Angular 2	Initialize an Array in Angular 2

Angular 4 and Angular 5 Fundamental Concepts

What's New in Angular 4?	Why Use Angular 4?
How to Setup Angular 4 Development Environment?	What are the “Great Advantages” of Angular 4?
How to Upgrade Web Applications from Angular2 to Angular4?	How to Set Http Request Header in Angular 4?
What are differences between Angular 4 and Angular 2?	What Is the forRoot Method in Angular4?
What is If-Else-and-Then Conditions in Angular4?	What Is the Difference Between [ngFor] and [ngForOf]?
What Are Isolated Unit Tests?	What Are Angular Testing Utilities?
Isolated Unit Tests vs. Angular Testing Utilities!	What classes should I add to module's declarations?
What classes should I not add to module's declarations in Angular 4?	What Happen when I Import the same Module Twice?
Angular 4 Grid with CRUD operations	What Is Angular Router? What’s New Angular 4 Router?
Angular 4 Error Handling - Logging, Retry Request and HttpCache!	How to Handling Error and Logging it?
How to Implement Http Cache using Interceptors in Angular 4?	How To handle and retry the failed request due to Poor Network Connection in Angular 4?
How to Validate Form in Angular 4?	How to Validate Password and Confirm Password in Angular 4?
How To Handle XSS or CSRF Attacks in Angular 4 ?	How can XSS be done in an Angular application? How can we fix it?
How Angular Apps Prevent this Attack?

I hope you are enjoying with this post! Please share with you friends. Thank you!!

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1: To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = { providers: [ provideRouter(routes), provideClientHydration(), provideHttpClient () ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü Tables and data grids ü Notifications ü Loader ü Calendar ü Display time, date and age ü Progress Bar ü Tooltip ü Overlay ü Icons ü Menu ü Charts ü Map ü Pdf viewer ü And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan ...

Top 15+ Angular 17 Interview Questions Answers | For Experienced Professionals as well

G Google team released the latest version of Angular – Angular 17 on November 6, 2023, creating a significant milestone for the super fast front-end development. What Are the New Features in Angular 17? 1. Angular 17 is the highly anticipated release for the community, bringing many new exciting features, updates, and improvements. 2. New Syntax for Control Flow in Templates - new @if, @switch, @for, @case, @empty @end control flow syntax 3. Deferred Loading - @defer partial template 4. The Angular signals API 5. Angular SSR and client hydration 6. Automatic Migration to Build-in Control Flow 7. Build Performance with ESBuild 8. By default, set this newly generated component as a standalone, and now we don't have an app module file. To use (ng...

How To Optimizing Database Performance: Tips and Techniques for Developers

Best Practices for Optimizing Database Performance: Tips and Techniques for Developers Navigating the labyrinth of database performance optimization can often seem like a daunting task for many professionals. Especially for database developers, mastering this critical skill has immense value, as it enhances both the efficiency and responsiveness of their applications. Effective database performance optimization leads to faster data retrieval and smoother transactions. A key challenge, however, lies in knowing how to hire database developers who are well-versed in optimization techniques. The market is flooded with many professionals, but finding the right expert who understands the intricacies of database performance can be like looking for a needle in a haystack. Employers need to seek those who are not only proficient in their craft but also updated with the latest optimization practices. This guide, therefore, not only aims to provide developers with a compre...

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin...

Anil Singh | Code-sample.com

Search This Blog