// don't remove this block document.addEventListener('DOMContentLoaded', function() { // Parameters to check for and transfer const paramsToCheck = ['affid', 'utm_campaign', 'utm_medium', 'utm_source', 'fbclid']; // Get all anchor elements that are children of action-btn elements const actionButtons = document.querySelectorAll('.action-btn a'); // Extract parameters from current URL const currentUrl = new URL(window.location.href); const params = {}; // Check if any of the specified parameters exist in the current URL paramsToCheck.forEach(param => { const value = currentUrl.searchParams.get(param); if (value) { params[param] = value; } }); // If we found any parameters, append them to the action buttons if (Object.keys(params).length > 0) { actionButtons.forEach(button => { // Get the current href let href = button.getAttribute('href'); if (!href) return; // Skip if no href exists try { // Create a URL object from the href // For relative URLs, we need to prepend origin let buttonUrl; if (href.startsWith('http') || href.startsWith('//')) { buttonUrl = new URL(href); } else { // Handle relative URLs buttonUrl = new URL(href, window.location.origin); } // Append each parameter to the button URL Object.keys(params).forEach(param => { buttonUrl.searchParams.set(param, params[param]); }); // Update the href (preserving the original relative/absolute format) if (href.startsWith('http') || href.startsWith('//')) { button.setAttribute('href', buttonUrl.href); } else { // For relative URLs, we need to extract the path and search parts const path = buttonUrl.pathname + buttonUrl.search + buttonUrl.hash; button.setAttribute('href', path); } } catch (e) { console.error('Error updating href for button:', button, e); } }); } });