Why Angular 2 is different from Angularjs?

Angular js : Angular 1 & Angular : Angular 2

What are the differences?

  • Better in performance
  • User Input with the Event Syntax
  • Component-based UI
  • & many more

Angular 2 is mobile oriented & better in performance.

Angular 1.x was not built with mobile support in mind, where Angular 2 is mobile oriented. Angular 2 is using Hierarchical Dependency Injection system which is major performance booster. Angular 2 implements unidirectional tree based change detection which again increases performance. As per ng-conf meetup, angular 2 is 5 times faster as compared to angular 1.

Angular 2 provides more choice for languages.

Angular 2 provides more choice for languages. You can use any of the languages from ES5, ES6, TypeScript or Dart to write Angular 2 code. Where, Angular 1.x has ES5, ES6, and Dart. Using of TypeScript is a great step as TypeScript is an awesome way to write JavaScript.

Angular 2 implements web standards like components.

Angular 2 implements web standards like components, and it provides better performance than Angular 1.