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Angular Academy · Lesson

FormArray and Dynamic Fields

Add and remove form controls at runtime.

Dynamic Field Sets

Some forms have a variable number of fields, such as a list of phone numbers or line items. FormArray manages an ordered, growable collection of controls.

Creating a FormArray

A FormArray holds an array of controls or groups.

const phones = new FormArray([
  new FormControl(''),
  new FormControl('')
]);

All lessons in this course

  1. Typed Reactive Forms
  2. FormArray and Dynamic Fields
  3. Async Validators
  4. FormBuilder Patterns
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