         testBtn.innerHTML = '<div class="spinner"></div> EXECUTING...';
            responseSection.style.display = 'block';
            responseContent.innerHTML = 'Transmitting request to Oracle database...';
            responseContent.className = 'response-content loading';

            try {
                // Build URL with parameters
                const url = new URL(API_BASE_URL);
                Object.keys(params).forEach(key => {
                    url.searchParams.append(key, params[key]);
 