`; // 1. FILL TEXTAREA FOR COPYING document.getElementById('source-code').value = presentationHTML; // 2. INJECT INTO IFRAME FOR PREVIEW const previewDoc = document.getElementById('preview-frame').contentWindow.document; previewDoc.open(); previewDoc.write(presentationHTML); previewDoc.close(); // 3. COPY FUNCTION function copyCode() { const copyText = document.getElementById("source-code"); copyText.select(); copyText.setSelectionRange(0, 99999); navigator.clipboard.writeText(copyText.value).then(() => { alert("Code kopiert!"); }); } // 4. DOWNLOAD FUNCTION function downloadHTML() { const text = document.getElementById("source-code").value; const blob = new Blob([text], { type: "text/html" }); const anchor = document.createElement("a"); anchor.download = "leadski-masterclass-2026.html"; anchor.href = window.URL.createObjectURL(blob); anchor.style.display = "none"; document.body.appendChild(anchor); anchor.click(); document.body.removeChild(anchor); }