Скачать с ютуб Dependency injection in Angular | Services & Dependency Injection в хорошем качестве

Dependency injection in Angular | Services & Dependency Injection

In the last lecture we learned that creating an instance of a service by our own is not a good practice. Instead we can ask angular to inject an instance of a service in the component where we want to use it. This is called as dependency injection. Dependency injection is a concept where another source injects a dependency of a class to that class, making the class loosely coupled with dependent class. Let's leran with an example, how we cen inject a dependency to a component in this lecture.