What is the differences between Angular Js and Angular 2
Angular 2 is a TypeScript based open source front-end web application platform managed by the Angular Team of Google and community of individuals and corporations. Angular 2 is a complete rewritten from the same team that built AngularJs. Angular 2 is a platform that makes easy to build applications with the web. Angular 2 combines declarative templates, dependency injection, an end to end tooling, and integrated best practices to solve development challenges. Angular empowers developers to build applications that live on the web, mobile, or the desktop. The first version of AngularJs was released in 2010 while Angular 2 was released in 2016. Both AngularJs and Angular 2 are completely different. Actually, Angular 2 is completely component based and AngularJs is both scope and controller based. Angular 2 is a platform and framework for building client applications in HTML and TypeScript. Angular 2 is written in TypeScript. It implements core and optional functionality as a set of TypeScript libraries that can be imported in your application. Angular 2 is used on Cross-platform, modern browsers only. The core differences and many
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more advantages on Angular 2 vs. AngularJs are:
AngularJS is the first version of Angular released in 2010. It is also known as Angular 1. Angular 2 is the second version of Angular released in 2016.
JavaScript is used in AngularJS whereas from Angular 2, TypeScript version 1.8 is used.
Angular 2 is entirely component based, while AngularJs is controllers and scope based.
Angular 2 has better change detection as compare to AngularJs.
Angular 2 has better performance as compare to AngularJs.
Angular 2 has a more powerful template system.
Angular 2 provide simpler APIs, lazy loading and easier application debugging.
Angular 2 is much more testable.
Angular 2 provides nested level components. Ahead of Time compilation (AOT) improves rendering speed.
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Angular 2 execute run more than two programs simultaneously. The syntax of Angular 2 structural directives is changed like ng-repeat is replaced with ∗ngFor etc.
In Angular 2, local variables are defined using the hash prefix (#). You can see the following ∗ngFor loop Example. TypeScript can be used to develop Angular 2 applications.
Better syntax and application structure. There are more advantages over performance, template system, application debugging, testing, components, and nested level components.
