Angular was a ground-up rewrite of AngularJS and has many unique features.

• Angular does not have a concept of “scope” or controllers; instead it uses a hierarchy of components as its main architectural concept
• Angular has a different EXPRESSION syntax, focusing on “[ ]” for PROPERTY binding, and “( )” for event binding
• Mobile development – desktop development is much easier when mobile performance issues are handled first
• Modularity – much core functionality has moved to modules, producing a lighter, faster core
• Modern browsers only – reducing the need for browser compatibility workarounds
• Angular recommends the use of Microsoft’s Typescript language, which introduces the following features:
• Class-based Object Oriented Programming
• Static Typing
• Generics

Typescript a superset of ECMAScript 6 (ES6), and is backwards compatible with ECMAScript 5 (i.e.: JavaScript).

Angular also includes the benefits of ES6:

• Lambdas
• Iterators
• For/Of loops
• Python-style generators
• Reflection
• Improved dependency injection– bindings make it possible for dependencies to be named
• Dynamic loading
• Asynchronous template compilation
• SIMPLER Routing
• Replacing controllers and $scope with components and directives – a COMPONENT is a directive with a template.
• Reactive programming support using RxJS.

Angular was a ground-up rewrite of AngularJS and has many unique features.

Typescript a superset of ECMAScript 6 (ES6), and is backwards compatible with ECMAScript 5 (i.e.: JavaScript).

Angular also includes the benefits of ES6: