HttpClientModule

Below example males a http get request using angular HttpClientModule

app.componnet.html

<input type="text" [(ngModel)]="moduleName" />
<button (click)="getUrl()">Click Me</button>

app.component.ts

import { Component, OnInit } from '@angular/core';
import { HttpClient } from '@angular/common/http';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  title = 'HttpClientDemo';
  moduleName: string;
  reponse: any;
  constructor(private http: HttpClient) {}
  ngOnInit(): void {}
  getUrl() {
    console.log('URL Called');
    let url = 'https://jsonplaceholder.typicode.com/comments/' + this.moduleName;
    console.log(url);
    this.reponse = this.http.get(url).subscribe(
      (response) => {
        this.reponse = response;
      }
    );
      console.log(this.reponse);
  }
}

app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';

import { AppComponent } from './app.component';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    FormsModule,
    HttpClientModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }