Angular : What is angular?

 

Angular is a platform and framework for building single-page client applications using HTML and TypeScript. Angular is written in TypeScript. It implements core and optional functionality as a set of TypeScript libraries that you import into your apps

What is AngularJs

AngularJS was created by Misko Heavery. He had built a framework to handle the downfalls of HTML and also taking ideas and best practices of the libraries which were never done earlier.

This first version of the framework known as AngularJS was launched in the year 2009. It 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.

Most Popular Angular Website

Features of AngularJs

A JavaScript MVW Framework

Extends HTML support by adding tags, attributes, and expressions

Allows easy event Handling

No need to learn another scripting language. It's just pure JavaScript and HTML

Supports for Data Binding

Built-In Template Engine and Routing

Form Validations and Animations

Dependencies Injection

Angular2

After, releasing Angular JS, Angular team released Angular 2 which is 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. There are many new features along with other improvements and tweaks.

Features of Angular2

Modern, faster, and highly scalable framework

Equally useful framework for web, mobile, and desktop apps

Web components based architecture

Supports Hierarchical Dependency Injection

Angular3

Angular 2 has been a single repository. Each package downloadable with the @angular/package-name convention. For example @angular/HTTP, @angular/router

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.

Angular4

Angular 4 is unlike Angular 2 (which is completed rewritten version of Angular 1). There are in fact only few minor changes and new features added in it. Angular 4 supports TypeScript, which compiles to JavaScript and displays the same in the browser.

Features of Angular4

Reduce the size of the generated bundled code up to 60%

Animation moved out to a separated package @angular/animations

Supports for if/else statement

Supports for email validator

Angular5

Angular 5 doesn't bring any significant change from Angular 4. However, lots of new features and many new improvements are done in this version.

Features of Angular5

Make AOT the defaul

Easier to build progressive web apps

Type checking in templates

Support for Internationalized Number, Date, and Currency Pipes

An update to Httpclient

Zone speed improvements

New Router Lifecycle Events

Angular6

This is a major release which is focused on making the toolchain easier to move quickly with Angular in the future, and less on the underlying framework.

ng update package is a new CLI command that is introduced with Angular 6. It analyses package.json and recommends updates to your application by utilizing its knowledge of Angular.

Another CLI command that has been introduced is ng add package which makes adding new capabilities to your project easy. It utilizes the package manager to download new dependencies. It can also invoke an installation script which can update your project with the configuration changes and add additional dependencies.

Angular 6 supports version 6 of RxJS. RxJS v6 and has several major changes. It offers a backward compatibility package rxjs-compat which ensures that your applications keep working.

Angular7

Updates regarding Application Performance

This is a major release which is focused on making the toolchain easier to move quickly with Angular in the future, and less on the underlying framework.

Angular Material & CDK

Virtual Scrolling

Improved Accessibility of Selects

Supports Content Projection using web standard for custom elements

Dependency updates regarding TypeScript 3.1, RxJS 6.3, Node 10"