Angular Services

What are services?

• ES6 classes
   
• Singleton objects inside a certain scope
   
• Accesible through Dependency Injection
   
• Used to handle app logic and state
  • server requests
  • data validation
  • ...

Dependency Injection

Dependecy Injection idea

During App bootstrap

• Angular creates an injector
   
• The injector creates dependencies
   
• And store them so it can reuse them
   
• The provider tells the injector how to create a dependency