Angular – Reactive forms API summary

Reactive forms API summary

The following table lists the base classes and services used to create and manage reactive form controls. For complete syntax details, see the API reference documentation for the Forms package.

Classes

Class	Description
AbstractControl	The abstract base class for the concrete form control classes FormControl, FormGroup, and FormArray. It provides their common behaviors and properties.
FormControl	Manages the value and validity status of an individual form control. It corresponds to an HTML form control such as <input> or <select>.
FormGroup	Manages the value and validity state of a group of AbstractControl instances. The group’s properties include its child controls. The top-level form in your component is FormGroup.
FormArray	Manages the value and validity state of a numerically indexed array of AbstractControl instances.
FormBuilder	An injectable service that provides factory methods for creating control instances.

Directives

Directive	Description
FormControlDirective	Syncs a standalone FormControl instance to a form control element.
FormControlName	Syncs FormControl in an existing FormGroup instance to a form control element by name.
FormGroupDirective	Syncs an existing FormGroup instance to a DOM element.
FormGroupName	Syncs a nested FormGroup instance to a DOM element.
FormArrayName	Syncs a nested FormArray instance to a DOM element.

Source: Angular – Reactive forms – API Summary