How Angular 4 is different from Angular 2?

Difference Between Angular 4 and Angular 2.

• Angular 4 is much Faster and smaller than Angular 2.
• The size of the View Engine is reduced in Angular 4.
• New ngTemplate directive is Introduced.
• Coding Improvements in *ngIf and *ngFor directives are performed.
• NgIf directive with Else is introduced for better UI handling.
• New Pipes like titlecase is introduced.
• Meta Tags services are added.
• Improvement in Angular Router.