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Hello guys! Let's continue to talk about in-depth topics of #Angular dependency injection. Today I would like to show you dependency providers like useClass, useExistiong, useValue, and use factory. Likewise, resolution modifiers control how Angular resolves dependency - dependency providers responsible for how Angular should create dependency instances. It allows you to replace different service implementations in runtime which makes your application extremely powerful and flexible. I hope you find I lot of use-cases in your applications. Thank you for your attention and enjoy watching! 😉
Angular Dependency Injection - Understanding hierarchical injectors (2020)
• Angular Dependency Inj...
Angular Dependency Injection in Depth - Resolution modifiers (2020)
• Angular Dependency Inj...
🕒 Time codes:
00:00:00 - Intro
00:01:00 - Quick recap of how we provide dependencies
00:01:18 - Describing the problem
00:03:14 - useClass in Action
00:05:46 - useExisting in Action
00:07:44 - useValue in Action
00:09:06 - A little bit about InjectionToken()
00:12:26 - useFactory in Action
00:15:11 - useValue vs useFactory. What's the difference?
00:16:24 - multi:true announcement
00:16:43 - Outro
------------------ See my another videos about Angular ------------------
✅ Check out my video "My TOP 5 Angular Interview Questions"
• TOP 5 Angular Intervie...
✅ Check out my videos about Angular Material Library:
• Angular Material
✅ Check out my videos about Angular CDK:
• Angular Material CDK
🔗 Links:
More about Dependency Injection:
angular.io/guide/dependency-i...
#angulartutorial #webdevelopment #dependencyinjection