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this is part 21 of Angela krodha tutorial in this video well discuss how to add required attribute dynamically in angular template different forms lets understand this with an example here is what we want to do on our form we have caught this contact preference field if I select email as the contact preference then we want to make the email field required and phone number field optional that means we want to dynamically add the required attribute on this email input field and at the same time remove it from the phone number input field on the other hand if I select phone as my contact preference then we want to make the phone number field required and email field optional lets look at the steps required for this this is the same create employee form that weve been working with so far in this video series what I have done off screen is made this phone number field also required so if we touch the field and leave it without providing a phone number then we get the validation error me
