ANGULARJS VS. ANGULAR 2 VS. ANGULAR 4, HERE IS WHAT YOU NEED TO KNOW:

Do you wonder what offers more convenience as a framework for smart web and app development? Well, AngularJS is a prominent framework that is crucial for building dynamic web and mobile apps. It was created by Misko Hevery to handle the drawbacks of HTML. While creating Angular, he made sure to take ideas from the best libraries and practices. He did so to make sure, this open-source front end framework suits all app development process. Angular, since its initial release in 2009, has evolved a lot. However, for a better understanding, you should know what AngularJS is and how you ca differentiate AngularJS vs Angular 2 effectively.

WHAT IS ANGULAR JS?

WHAT IS ANGULAR JS

AngularJS is a built-in framework that is designed to handle the downfalls of HTML and also taking ideas and best practices of the libraries which were never done earlier. It was the first version of the framework that laid the foundation of the present-day front-end application development. Angular JS was one of the best single-page application development solution. Gradually, it wide adoption and become very popular.

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FEATURES OF ANGULAR JS

FEATURES OF ANGULAR JS

• A JavaScript MVW Framework
• Extends HTML support by adding tags, attributes, and expressions
• Allows easy event Handling
• Supports for Data Binding
• Built-In Template Engine and Routing
• Form Validations and Animations
• Dependencies Injection

WHAT IS ANGULAR 2?

WHAT IS ANGULAR 2

After the official launch of Angular JS, the team eventually realized that they need to introduce a better and updated version of AngularJS which will be known as Angular 2. So the version Angular 2 is a complete rewrite of its original Angular 1 or AngularJS. Angular 2 version is built around the concept of the component. It was rewritten from scratch by the Angular team using Typescript. It offers better performance to web developers. Though there are a number of new features along with other improvements and tweaks.

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FEATURES OF ANGULAR 2

FEATURES OF ANGULAR 2

• Modern, faster, and highly scalable framework
• Supports Hierarchical Dependency Injection
• Web components based architecture
• Equally useful framework for web, mobile, and desktop apps

WHAT IS ANGULAR 4?

WHAT IS ANGULAR 4

Angular 4 is unlike Angular 2 and if you compare both frameworks, you’ll realize that the team has boosted only few minor changes and added some new features in it. Angular 4 supports TypeScript, which compiles to JavaScript and displays the same in the browser.

FEATURES OF ANGULAR 4

FEATURES OF ANGULAR 4

• Supports for email validator
• Supports for if/else statement
• Reduce the size of the generated bundled code up to 60%
• Animation moved out to a separated package @angular/animations

Now if you wonder why we skipped Angular 3 then you should know these frameworks are the most used and updated ones that are highly used. All package names were assigned version 2, but router package by mistaken was given version 3. Therefore, the development team skipped Angular Version 3 and directly named it version 4 to maintain compatibility with Angular Router’s version.

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MAJOR DIFFERENCES BETWEEN ANGULAR VERSIONS

Below is a comparison of AngularJS to Angular, because Angular includes both version 2 and version 4. You can see the comparison within its architecture, language, expression syntax, mobile support, and routing.

ARCHITECTURE

ANGULARJS

ANGULAR js architecture

In a comparison of AngularJS vs Angular 2, the architecture of AngularJS is based on the model-view-controller (MVC) design. The model is the central component that expresses the application’s behavior and manages its data, logic, and rules. The view generates an output based on the information in the model. The controller accepts input, converts it into commands and sends the commands to the model and the view.

ANGULAR

ANGULAR 2 architecture

In Angular 2, controllers and $scope were replaced by components and directives. Components are directives with a template. They deal with a view of the application and logic on the page. There are two kinds of directives in Angular 2.

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ANGULAR 4

ANGULAR 4 architecture

In Angular 4, the structural derivatives ngIf and ngFor have been improved, and you can use if/else design syntax in your templates.

LANGUAGE

ANGULARJS

ANGULAR js langauge

It is pretty simple and known to all that AngularJS is written in JavaScript.

ANGULAR

ANGULAR 2 langauge

Angular uses Microsoft’s TypeScript language, which is a superset of ECMAScript 6 (ES6). This has the combined advantages of the TypeScript features, like type declarations, and the benefits of ES6, like iterators and lambdas.

ANGULAR 4

ANGULAR 4 langauge

Angular 4 is compatible with the most recent versions of TypeScript that have powerful type checking and object-oriented features.

EXPRESSION SYNTAX

ANGULARJS

EXPRESSION SYNTAX ANGULARJS

When you think of AngularJS vs Angular 2, it is used to bind an image/property or an event. Although a major thing that you have to remember the right ng directive.

ANGULAR

EXPRESSION SYNTAX ANGULAR2

Angular focuses on “( )” for event binding and “[ ]” for property binding.

MOBILE SUPPORT

MOBILE SUPPORT

In AngularJS vs Angular 2, AngularJS was not built with mobile support in mind, but Angular 2 and 4 both feature mobile support.

ROUTING

ROUTING

For AngularJS vs Angular 2, AngularJS uses $route provider to configure routing while Angular uses @RouteConfig {(…)}.

PERFORMANCE

Performance

AngularJS was originally developed for designers, not developers. Although there were a few evolutionary improvements in its design, they were not enough to fulfill developer requirements. The later versions, Angular 2 and Angular 4, have been upgraded to provide an overall improvement in performance, especially in speed and dependency injection.

EFFICIENCY

Efficiency

By providing features like 2-way binding, AngularJS reduced the development effort and time. However, by creating more processing on the client-side, page load was taking considerable time. Angular2 provides a better structure to more easily create and maintain big applications and a better change detection mechanism. Angular 4 is the fastest version yet.

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