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Features of Angular2.

Angular 2 is component based. Controllers and $scope are no longer in use and have been replaced by components and directives.

The specification for directives is considerably simplified and using @Directive annotation, a directive can be declared.

Improved dependency injection model in Angular2.

Use of TypeScript, a typed super set of JavaScript in Angular. The presence of types makes the code less prone to run-time errors.

TypeScript has generics and lambda feature.

With Angular 2 the Form Builder and Control Group are defined that makes it easy to build forms and it's validations .

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