function clearCache() { var confirmed = confirm("Do you want to clear the URL cache?"); if (!confirmed) { return; // do nothing } var data = new URLSearchParams(); fetch("/cache/clear", { method: "POST" }).then(function (response) { if (response.ok) { window.location.reload(); } else { alert("Could not clear cache"); } }); } function clearCacheButtonInit() { var clearCacheButton = document.getElementById("clearCacheButton"); clearCacheButton.onclick = clearCache; } document.addEventListener('DOMContentLoaded', clearCacheButtonInit, false);