Javascript Handle File Download |top| May 2026

The download attribute tells the browser to save the file instead of opening it. You can provide a string to rename the file upon download. javascript

Use URL.createObjectURL(blob) to create a temporary browser-only link. javascript handle file download

async function downloadFromApi(apiUrl, fileName) { const response = await fetch(apiUrl, { headers: { 'Authorization': 'Bearer YOUR_TOKEN' } }); const blob = await response.blob(); const url = window.URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = fileName; a.click(); // Cleanup memory window.URL.revokeObjectURL(url); } Use code with caution. 3. Generating Files in the Browser The download attribute tells the browser to save

For files that already exist on your server (like a static PDF or image), the easiest method is a standard HTML anchor tag with the download attribute. How it works: The href points to the file URL. How it works: The href points to the file URL