Can you please write the function in a external javascript file, with all steps listed below. Thank you very much, you are the best!

validateForm() Important note: The validateForm function is the only function that should interact directly with the form fields. Parameters None Process Call each of the functions in some order to validate the form's fields Note: Some functions may need to be called more than once. validateControl validateCredit Card validateDate validateEmail validateState If all the functions return true Display an appropriate message such as Payment Submitted Output Always return false Note: If this function does not return false, the web browser may display an error message . O