`; const blob = new Blob([html], { type: "text/html" }); const url = URL.createObjectURL(blob); // Show in iframe const frame = document.getElementById("previewFrame"); frame.src = url; // Enable download const downloadBtn = document.getElementById("downloadBtn"); downloadBtn.style.display = "inline-block"; downloadBtn.onclick = () => { const a = document.createElement("a"); a.href = url; a.download = "landingpage.html"; a.click(); }; });