How to disable browser back button in AngularJS 2 to 6

Use location.onPopState to the same in AppComponent

import { PlatformLocation } from ‘@angular/common’;

constructor(location: PlatformLocation, private router: Router) {

location.onPopState(() => {

console.log(‘pressed back in add!!!!!’);

//this.router.navigateByUrl(‘/multicomponent’);

//history.forward();

});