public function getJavaScriptCode()
    {
        $fieldsJavaScriptCode = [];
        $formConfiguration = $this->getFormObject()->getConfiguration();

        foreach ($formConfiguration->getFields() as $field) {
            $fieldsJavaScriptCode[] = $this->processField($field);
        }

        $formName = GeneralUtility::quoteJSvalue($this->getFormObject()->getName());
        $fieldsJavaScriptCode = implode(CRLF, $fieldsJavaScriptCode);

        return <<<JS
(function() {
    Fz.Form.get(
        $formName,
        function(form) {
            var field = null;

$fieldsJavaScriptCode
        }
    );
})();
JS;
    }