To create or upgrade to an Angular 5 project, use the (version 1.5 or later):
: Mastery of Components , Data Binding , Directives , Services , and Dependency Injection is essential. Setting Up Your Environment Angular 5 Projects
: Used for reactive programming and handling asynchronous data streams. Subject : A basic multicaster. To create or upgrade to an Angular 5
: Stores and emits the latest value to new subscribers, ideal for state management. ideal for state management.