Services and DI

Services and DI

Services and DI is a core part of Angular. In this case file you'll learn what it is, why it matters, and how to use it in real code.

Understanding services and di well means you can read other people's Angular code with confidence, and avoid the most common beginner mistakes in this area.

Key points:

• What services and di means in the context of Angular
• A minimal example you can run or read in the playground on the right
• A common mistake to avoid when working with services and di

# Angular: Services and DI
# Reference material — read the notes on the left and follow along in your own environment.

Tip: Try changing a value in the code on the right and re-running it — small experiments are the fastest way to build real intuition for services and di.