Function setErrorFor

js-form-validator/form.js:87–92

(input, message)

}

function setErrorFor(input, message){
  const formControl = input.parentElement;
  const small = formControl.querySelector('small');
   small.innerText = message;
   formControl.className = 'form-control error';
}

function setSuccessFor(input){
  const formControl = input.parentElement;