validate-password.js

ValidateForm.addValidator('data-password', function ($el, instance) {
  var value = $el.val();
  var oldPass = $('[data-password-old]').val();

  if (value === oldPass) {
    instance._showSuccess();
    instance.log("[ValidateForm] password success", instance.el);
  } else {
    instance._showError("Passwords do not match.");
    instance.log("[ValidateForm] password failed", instance.el);
  }

  instance._validations.push(value === oldPass);
});