<button
    type="submit"
    class="btn btn-primary btn-lg btn-block top-buffer30 g-recaptcha"
    data-sitekey="<?php echo GOOGLE_RECAPTCHA_INVISIBLE_SITE_KEY; ?>"
    data-callback="resetPassword">
    Reset Password>
</button>

$scope.submitResetForm = function($scope) {
    $scope.showErrors = false;
    $scope.shouldShowProfileImage = false;
    if ($scope.forgot_password_dialog_username.length < 3) {
        LoginStateHelper.setStateForNoResetEmailOrUsername($scope);
        return
    }
    $scope.sendingRequest = true;
    $http.get(URL + '/reset/' + $scope.forgot_password_dialog_username).then(function () {
        LoginStateHelper.setStateForPasswordResetResponse($scope);
    });
};

$window.resetPassword = $scope.submitResetForm;

Uncaught TypeError: Cannot read property 'length' of undefined
    at $scope.submitResetForm (LoginForm.js)
    at br.n.Be (recaptcha__en.js)