for (let control of formArray.controls) { if (control instanceof FormControl) { // is a FormControl } if (control instanceof FormGroup) { // is a FormGroup } if (control instanceof FormArray) { // is a FormArray } }
for (let control of formArray.controls) { if (control instanceof FormControl) { // is a FormControl } if (control instanceof FormGroup) { // is a FormGroup } if (control instanceof FormArray) { // is a FormArray } }