Angular Core Deep Dive

Author: Your Name

src/app/app.component.html

@@ -7,7 +7,7 @@
 
 <div>
 
-  <div class="courses">
+  <div class="courses" *ngIf="courses$ | async as courses">
 
     <course-card *ngFor="let course of courses"
                  [course]="course">

src/app/app.component.ts

@@ -13,8 +13,7 @@ import {HttpClient, HttpParams} from '@angular/common/http';
 })
 export class AppComponent implements OnInit {
 
-
-  courses;
+  courses$ : Observable<Course[]>;
 
   constructor(private http: HttpClient) {
 
@@ -26,10 +25,8 @@ export class AppComponent implements OnInit {
           .set("page", "1")
           .set("pageSize", "10");
 
-      this.http.get('/api/courses', {params})
-          .subscribe(
-              courses => this.courses = courses
-          );
+      this.courses$ = this.http.get<Course[]>('/api/courses', {params});
+
 
   }