Angular Dependency Injection and Child Components

Learn how Angular uses Dependency Injection (DI) to provide services to components and how to work with child components.

Angular uses a technique known as Dependency Injection (DI) to provide services to components. This means that a class can request an instance of a service that it depends on, and Angular will resolve this dependency at runtime. DI in Angular works through the constructor function of a component:

Get hands-on with 1200+ tech skills courses.