Add & Remove Form Controls in Reactive Form | Reactive forms in angular | Complete Angular Tutorial

Published: 27 September 2022
on channel: WebGentle

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Here, you will learn how to add and remove controls in reactive forms in angular. In Angular, you can add and remove form controls in a reactive form using the FormArray class. Reactive forms in angular

To add a control, you can use the push() method of the FormArray class. For example, if you have a form group with a form array named myArray you can add a new control to it using the following code:
this.myArray.push(new FormControl(''));
This will add a new form control to the end of the form array with an initial value of an empty string.

To remove a control, you can use the removeAt() method of the FormArray class. For example, if you want to remove the control at index 1 of myArray, you can use the following code:
this.myArray.removeAt(1);
This will remove the form control at index 1 of the form array.

You can also dynamically add and remove form groups in a similar way using the FormArray class.

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