Use Angular directives like ngModel and #form="ngForm" in template.?
✅ Example:
<form #myForm="ngForm" (ngSubmit)="onSubmit(myForm)">
<input name="username" ngModel required minlength="4" />
<button type="submit">Submit</button>
</form>
onSubmit(form: NgForm) {
console.log(form.value);
}