📘 Angular — Services & Dependency Injection

Services logic ko components se alag karte hain — clean, reusable, testable code! Jaise ek…

📘 Angular — Services & Dependency Injection — Quick Facts

📌 1. Service Kya Hai? (Concept + Analogy)

📌 2. Service Create Karo

📌 3. Dependency Injection (DI) — Service Use Karo

📌 4. DI System — How It Works (Deep Dive)

📌 5. providedIn Options — Detail

📌 6. Service me Service Inject Karo (DI Chain)

📌 7. InjectionToken — Non-Class Values Inject Karo

📌 8. Provider Variations — useClass, useValue, useFactory, useExisting

📌 9. DI Decorators — @Optional, @Self, @SkipSelf

📌 10. Practical Example — Shopping Cart Service (Reactive)

📌 11. Common Mistakes — Beginners Yeh Galtiyan Karte Hain

✅ Summary

🧪 Khud Try Karo!

Visual Flow

Visual Flow

Quiz — Question 1

📘 Angular — Services & Dependency Injection ka sabse sahi definition kya hai?

Quiz — Question 2

📘 Angular — Services & Dependency Injection ka 'UI display karo' kya hai?

📘 Angular — Services & Dependency Injection Complete!

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