Angular FormArray tracks the value and validity state of an array of FormControl, FormGroup or FormArray instances. The FormArrayName syncs a nested FormArray to a DOM element. It is used under formGroup in HTML template. It accepts the string name of FormArray registered in the FormGroup created in the TypeScript.
Links:
1. FormArray in Angular
https://www.concretepage.com/angular/...
2. Angular FormArray Validation
https://www.concretepage.com/angular/...
3. FormArray setValue() and patchValue()
https://www.concretepage.com/angular/...
4. Creating FormGroup inside FormArray
https://www.concretepage.com/angular/...