import {Component,OnInit,Input,Output,EventEmitter} from '@angular/core'; @Component({ selector: 'cm-radio-doc-2', templateUrl: './radio-doc-2.component.html', styleUrls: ['./radio-doc-2.component.css'] }) export class RadioDoc2Component implements OnInit { radioValue = 'A'; isDisabled = true; toggleDisabled = () => { this.isDisabled = !this.isDisabled; }; constructor() {} ngOnInit() {} }