import{Directive}from'@angular/core';import{AbstractControl,Validator,NG_VALIDATORS}from'@angular/forms';@Directive({selector:'[appPhoneNumberValidator]',providers:[{provide:NG_VALIDATORS,useExisting:PhoneNumberValidatorDirective,multi:true}]})exportclassPhoneNumberValidatorDirectiveimplementsValidator{validate(...
As a key player in the front-end development world, Angular ships with web animation support. Here’s everything you should know to include animation in Angular applications! Getting started Angular animations are built on top of the nativeWeb Animations API, making it easier to run across both...
In Angular 2+,Reactive Formsare available to manage the state of a form.FormArrayis used to track the value and validity state of form fields. You can useFormArrayin Reactive Forms to add form fields dynamically from a response to a user event. FormArrayis used as an array that wraps a...
I prefer to use an interface for the data coming from the API, but a class could be used as well. For example: validation.models.ts import { AbstractControl, ValidatorFn } from '@angular/forms'; export type validationType = 'requiredValidator' | 'numericMinValueValidator' | 'numericMaxValu...
In this article, we will learn how to add In-place Editor in the Angular application.In-Place Editor component is use to edit a value within its context (in-place).
Angular has two types of forms: template-driven and reactive. Both types, however, use the Angular Forms Module to implement form validation. These modules define directives and services that allow you to create complex forms with validation logic, in a declarative way. Using Angular Forms Module...
Step 1: Install Angular App Here, in this step you need to create new ng app for this demo. if you have already created then don't create new angular 8 app. ng new my-custom-val-app Step 2: Import FormsModule If you want to create form in angular app then you need to import Fo...
In Angular, you can create a form in two ways: Reactive forms Template-driven forms This post will teach you to implement custom cross-control validator in a reactive form. One example of cross-validation could bepassword-confirm password validation, which we will implement. ...
Thus our complete code, if we want to use the same service instance, would look like below: import { Component, OnInit, OnDestroy } from '@angular/core'; import { LoggingService } from './logging.service.ts'; @Component({ selector: 'account-component', templateUrl: './account....
In this article, we will learn how to add a text editor in an Angular 8 application. The text editor is a program for adding and editing text. In this demo, we use 'ng2-ckeditor' editor. Learn more about Cheditor. Prerequisites Basic Knowledge of Angular 2 or higher Visual Studio Cod...