simulateDownload(fileInfo) return new Promise((resolve, reject) => let progress = 0; const interval = setInterval(() => progress += Math.random() * 15; if (progress >= 100) clearInterval(interval); this.updateProgress(100); resolve(); else this.updateProgress(Math.min(progress, 99)); , 200); // 5% chance of simulated failure (for testing) if (Math.random() < 0.05) clearInterval(interval); reject(new Error('Network error')); );
resetDownloadState() setTimeout(() => this.isDownloading = false; this.downloadBtn.disabled = false; this.downloadBtn.style.opacity = '1'; this.progressBar.style.display = 'none'; this.updateProgress(0); if (this.statusMsg.textContent.includes('complete')) setTimeout(() => this.showStatus('Ready to download', 'info'); , 3000); , 1000); Kpg-111d- Download
res.writeHead(200, 'Content-Type': 'application/zip', 'Content-Length': stat.size, 'Content-Disposition': 'attachment; filename="Kpg-111d_v2.1.0.zip"', 'X-Product-Code': 'Kpg-111d' ); ❌', 'error'); console
async startDownload(fileInfo) this.isDownloading = true; this.downloadBtn.disabled = true; this.downloadBtn.style.opacity = '0.6'; this.progressBar.style.display = 'block'; this.showStatus(`Starting download of Kpg-111d ($fileInfo.size)...`, 'info'); try // Simulate download progress (replace with actual fetch API for real progress) await this.simulateDownload(fileInfo); // For actual file download from server: // await this.actualDownload(fileInfo.url, fileInfo.name); this.showStatus('Download complete! Kpg-111d saved successfully ✅', 'success'); this.logDownloadToAnalytics(); catch (error) this.showStatus('Download failed. Please try again. ❌', 'error'); console.error('Download error:', error); finally this.resetDownloadState(); .product-icon font-size: 64px
.product-icon font-size: 64px; margin-bottom: 20px;
.progress-fill height: 100%; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); width: 0%; transition: width 0.3s; </style> </head> <body> <div class="download-container"> <div class="download-card"> <div class="product-icon">📦</div> <h2>Product Download</h2> <div class="product-code">Kpg-111d</div> <div class="version">Version 2.1.0 | Last updated: Jan 2026</div>