main.ts
index.html
import { bootstrapApplication } from '@angular/platform-browser';
import { Component } from '@angular/core';
import { CommonModule } from '@angular/common';
import { FormsModule } from '@angular/forms';
@Component({
selector: 'app-root',
standalone: true,
imports: [CommonModule, FormsModule],
template: `
<h3>Forms Validation</h3>
<form #f="ngForm" (ngSubmit)="onSubmit()" novalidate>
<label>
Name:
<input name="name" [(ngModel)]="model.name" required minlength="3" #name="ngModel">
</label>
<div *ngIf="name.invalid && (name.dirty || name.touched || submitted)" style="color:crimson">
<small *ngIf="name.errors && name.errors['required']">Name is required.</small>
<small *ngIf="name.errors && name.errors['minlength']">Name must be at least 3 characters.</small>
</div>
<label>
Email:
<input name="email" [(ngModel)]="model.email" email required #email="ngModel">
</label>
<div *ngIf="email.invalid && (email.dirty || email.touched || submitted)" style="color:crimson">
<small *ngIf="email.errors && email.errors['required']">Email is required.</small>
<small *ngIf="email.errors && email.errors['email']">Email must be valid.</small>
</div>
<button type="submit" [disabled]="f.invalid">Submit</button>
</form>
<p *ngIf="submitted">Submitted: {{ model | json }}</p>
`
})
export class App {
model = { name: '', email: '' };
submitted = false;
onSubmit() { this.submitted = true; }
}
bootstrapApplication(App);
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Angular Forms Validation</title>
</head>
<body>
<app-root></app-root>
</body>
</html>