Form Validatior (4) - Check Length, Email & Password match

// Event listeners
form.addEventListener('submit', function(e) {
  e.preventDefault();

  checkRequired([username, email, password, password2]);
  checkLength(username, 3, 15);
  checkLength(password, 6, 25);
});

 

// Check input length
function checkLength(input, min, max) {
  if (input.value.length < min) {
    showError(
      input,
      `${getFieldName(input)} must be at least ${min} characters`
    );
  } else if (input.value.length > max) {
    showError(
      input,
      `${getFieldName(input)} must be less than ${max} characters`
    );
  } else {
    showSuccess(input);
  }
}

 

// Event listeners
form.addEventListener('submit', function(e) {
  e.preventDefault();

  checkRequired([username, email, password, password2]);
  checkLength(username, 3, 15);
  checkLength(password, 6, 25);
  checkEmail(email);
});

 

// Check email is valid
function checkEmail(input) {
  const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
  if (re.test(input.value.trim())) {
    showSuccess(input);
  } else {
    showError(input, 'Email is not valid');
  }
}

 

 

// Event listeners
form.addEventListener('submit', function(e) {
  e.preventDefault();

  checkRequired([username, email, password, password2]);
  checkLength(username, 3, 15);
  checkLength(password, 6, 25);
  checkEmail(email);
  checkPasswordsMatch(password, password2);
});

 

// Check passwords match
function checkPasswordsMatch(input1, input2) {
  if (input1.value !== input2.value) {
    showError(input2, 'Passwords do not match');
  }
}