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(...
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...
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...
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...
Let’s see how to use this HttpClient module in an Angular application. This module is already included in the application when we create the application in Angular. Follow the steps below to use it: Step 1:I have created the application with the help of angular-cli commandng new app-name...
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).
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...
To check your version, run node -v in a terminal/console window.Step 2: Use npm to Install Angular CLI Use the following command to install Angular CLI npm install -g @angular/cli</> Copy Code Or npm install -g @angular/cli@latest</> Copy CodeOr...
First, in order to help simplify what I’m working with, I’ll use the abbreviated form of Speaker and SpeakerService, as shown in Figure 1. Figure 1 Speaker and SpeakerService C# Copy import { Injectable } from '@angular/core'; export class Speaker { id = 0 fir...
Step 1. Create a new Angular Application using the below command. ng new your-application-name Bash Copy In this article, I have used employee shift management for demo purposes. I have used the below command to create a new angular application. ng new employee-shift-management Bash Copy Ste...