Migrating to Angular 2 (Video 14)

This video tutorial guides viewers through the process of upgrading an application to Angular 2. It covers the use of Ng Upgrade and Upgrade Adapter to facilitate the migration, preparing the application by removing Ng app declarations, and updating package.json and index.html. The tutorial also explains how to migrate services to Angular 2, making them injectable and backwards compatible. Finally, it discusses dependency injection in Angular 2 using TypeScript constructors and providers.

What are the main changes required to upgrade an application to Angular 2?

Explain the purpose of the Ng upgrade package and upgrade adapter.

What steps must be taken to prepare an application for the upgrade to Angular 2?

How do you make services injectable in Angular 2?

What is the significance of removing the Ng app declaration from HTML code?

Describe how dependency injection works in Angular 2.

What are the implications of using downgraded services in an Angular 1 application?