'; const sourceHTML = header + htmlTable + footer;const source = 'data:application/vnd.ms-word;charset=utf-8,' + encodeURIComponent(sourceHTML); const link = document.createElement('a'); link.href = source; const originalFilename = fileInput.files[0].name.replace(/\.[^/.]+$/, ""); link.download = `${originalFilename}_${selectedSheetName}.doc`; document.body.appendChild(link); link.click(); document.body.removeChild(link);} catch (err) { console.error(err); alert('Đã xảy ra lỗi trong quá trình tạo file Word.'); } finally { downloadBtn.disabled = false; downloadBtn.textContent = 'Tải xuống file .DOC'; } });copyBtn.addEventListener('click', () => { if (!tableOutput.innerHTML) return;const range = document.createRange(); range.selectNode(tableOutput); window.getSelection().removeAllRanges(); window.getSelection().addRange(range);try { const successful = document.execCommand('copy'); const msg = successful ? 'thành công!' : 'thất bại!'; copyBtn.textContent = 'Đã copy ' + msg; } catch (err) { copyBtn.textContent = 'Copy lỗi!'; console.error('Lỗi khi copy: ', err); }window.getSelection().removeAllRanges();setTimeout(() => { copyBtn.textContent = 'Copy bảng'; }, 2000); });function resetUI() { fileNameDisplay.textContent = 'Chưa có file nào được chọn'; sheetSelectorContainer.classList.add('hidden'); resultActions.classList.add('hidden'); resultPreview.classList.add('hidden'); fileInput.value = ''; workbook = null; } });