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[Angular Form] ngModel and ngModelChange
When using Radio button for Tamplate driven form, we want to change to the value change and preform some action.
import { Component, Input } from ‘@angular/core‘;import { Passenger } from ‘../../models/passenger.interface‘;@Component({ selector: ‘passenger-form‘, styleUrls: [‘passenger-form.component.scss‘], template: ` <form #form="ngForm" novalidate> {{ detail | json }} <div> Passenger name: <input type="text" name="fullname" [ngModel]="detail?.fullname"> </div> <div> Passenger ID: <input type="number" name="id" [ngModel]="detail?.id"> </div> <div> <label> <input type="radio" [value]="true" name="checkedIn" [ngModel]="detail?.checkedIn" (ngModelChange)="toggleCheckIn($event)"> Yes </label> <label> <input type="radio" [value]="false" name="checkedIn" [ngModel]="detail?.checkedIn" (ngModelChange)="toggleCheckIn($event)"> No </label> </div> <div *ngIf="form.value.checkedIn"> Check in date: <input type="number" name="checkInDate" [ngModel]="detail?.checkInDate"> </div> {{ form.value | json }} </form> `})export class PassengerFormComponent { @Input() detail: Passenger; toggleCheckIn(checkedIn: boolean) { if (checkedIn) { this.detail.checkInDate = Date.now(); } }}
[Angular Form] ngModel and ngModelChange
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