Using forkJoin to resolve multiple http api requests in nativescript angular

app.component.ts

import { Component, OnInit } from "@angular/core";
import { HttpClient } from "@angular/common/http";
import { Observable } from 'rxjs/Rx';
import "rxjs/add/observable/forkJoin";

@Component({
selector: "Home",
moduleId: module.id,
templateUrl: "./home.component.html",
styleUrls: ['./home.component.css']
})
export class HomeComponent implements OnInit {

constructor(private httpClient: HttpClient) {
}

ngOnInit(): void {
Observable.forkJoin([
this.httpClient
.get<any>("https://api.github.com/users/kumaran-dena"),
this.httpClient
.get<any>("https://api.github.com/users/kumaran-dena/followers"),
this.httpClient
.get<any>("https://api.github.com/users/kumaran-dena/subscriptions")
]).subscribe((response) => {
console.log("<<<<<<<<<<<<<<<<<<<<<<<<< first value>>>>>>>>>>>" + JSON.stringify(response[0]));
console.log("<<<<<<<<<<<<<<<<<<<<<<<<< second value>>>>>>>>>>>" + JSON.stringify(response[1]));
console.log("<<<<<<<<<<<<<<<<<<<<<<<<< third value>>>>>>>>>>>" + JSON.stringify(response[2]));
});
}
}

app.component.html

<ActionBar title="Home" class="action-bar">
</ActionBar>

<ScrollView class="page">
<StackLayout class="home-panel">
<Label textWrap="true" text="Play with forkJoin!" class="h2 description-label"></Label>
</StackLayout>
</ScrollView>