In this blog I will explain all concept of Angular.
Definition
Angular is a Java Script Framework which allow us to create reactive single page application (SPA). SPA means there is only one html page but bunch of java script codes which replaces the content in page with out reload of the page.
Angular Versioning
AngularJS-
Angular 1 is referred to as AngularJS.
Angular2-
There was a complete rewrite of angular framework between Angular 1 and Angular 2. Angular 2 was released on 2016. It was re written from scratch. Angular 2+ works totally different from Angular1.
Latest version of angular is now is Angular 12.
Features
Angular is component base framework for building big application.
Angular framework include multiple tools like testing, building. Main feature of angular is CLI (Command line interface). From CLI we can create angular project, update angular versioning, create component and many more.
Angular framework is integration of multiple libraries like routing, animation, forms – Template driven forms and reactive forms, client server communication via dependency injection and many more.
Difference between Angular 1 and Angular 2
| Angular 1 | Angular 2 |
|---|---|
| Angular 1 known as Angular JS | Angular 2 or coming version of angular known as Angular |
| Angular JS is built with JavaScript programming language | Angular is built on Typescript (Superset of JavaScript) language |
| Angular JS follows MVC architecture | Angular follow component base architecture |
| No support of mobile application | Easy to create mobile application using Angular framework |
| There is issue with dependency injection | Angular comes with built in Dependency Injection for better performance |
| Controller and scopes are key component of application development | Controller and Directives are key component for application deveopment. |
| AngularJS is less flexible and scalable than Angular | Angular is more flexible and scalable than AngularJS |
