In Angular, we do form handling validation using the below two approaches. Button disable form invalid validation Example submit button is disabled if the form contains validation errors.Submit button is enabled for form validation to be passed.Once form validation is valid, the Button should be clickable. We have a Submit button with disabling initially. We can also call disable/enable function at runtime by using control action () method of FormControl. Input fields have validation like required or email or custom validation We can use disable () and enable () method of FormControl. Upgrade your code with a variable ‘cond’ and if this is true you disable the form. In any application, You have a user form that contains input fields and submit button. like suggested by JB Nizet the disabled expects only a boolean value (true or false).
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