tap in httpclient in angular 8 code example

Example 1: ngchange angular 8

import { Component } from '@angular/core';

@Component({
  selector: 'my-app',
  template: `
    <input type="number" [ngModel]="percent" (ngModelChange)="onPercentChange($event)" />
  `,
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
  percent = 20;

  onPercentChange(percent: number) {
    console.log('here');  

    this.percent = percent;
  }
}

Example 2: make service in angular 8

For Creating Service you have type command like below
ng generate service service-name
or
ng g s service-name

And if you want to make service into folder
ng generate service /folder-name/service-name
or
ng g s /folder-name/service-name

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Html Example