Anil Singh | Code-sample.com

In this example, I am sharing “ How to compare or validate two dates in Angular? ” using custom validation function in Angular 7 and Angular 8 . Here, I’m validating the two dates  - a start date and end date. The end date should be greater than the Start date”. Let’s see the example :- import { Component , OnInit } from '@angular/core' ; import { UserRequest } from '../model/user' ; @ Component ({   selector: 'User_Cal' ,   templateUrl: './usercal.component.html' ,   styleUrls: [ './usercal.component.css' ] }) export class UserCalComponent implements OnInit {   constructor ( private EncrDecr : EncrDecrService , private   http :  HttpClient ,               private datePipe : DatePipe ) {                          ...