(function() { function updatePlaceholders() { var parkingDate = document.getElementById("ppwidget__parkingdate"); var parkingTime = document.getElementById("ppwidget__parkingtime"); var returnDate = document.getElementById("ppwidget__returndate"); var returnTime = document.getElementById("ppwidget__returntime"); if (parkingDate && parkingTime && returnDate && returnTime) { parkingDate.placeholder = "Datum"; parkingTime.placeholder = "Uhrzeit"; returnDate.placeholder = "Datum"; returnTime.placeholder = "Uhrzeit"; return true; } return false; } // Schritt 1: Sofort versuchen (0ms Verzögerung) if (!updatePlaceholders()) { // Schritt 2: Fallback, falls die Elemente noch nicht fertig gerendert sind document.addEventListener("DOMContentLoaded", updatePlaceholders); } })();