Download File With Fetch Api ~repack~ May 2026

: Loop through the stream until done is true, keeping track of how many bytes have been received. javascript

async function downloadFile(url, filename) { try { const response = await fetch(url); if (!response.ok) throw new Error('Download failed'); // Convert response to a Blob const blob = await response.blob(); // Create a temporary URL for the Blob const downloadUrl = window.URL.createObjectURL(blob); // Create a hidden anchor element to trigger the download const link = document.createElement('a'); link.href = downloadUrl; link.download = filename; // Set the desired file name document.body.appendChild(link); link.click(); // Programmatically click the link // Clean up: remove the link and revoke the URL to free memory document.body.removeChild(link); window.URL.revokeObjectURL(downloadUrl); } catch (error) { console.error('Error downloading file:', error); } } Use code with caution. download file with fetch api

For smaller files, you can fetch the entire file into memory as a Blob (Binary Large Object). javascript : Loop through the stream until done is

: Loop through the stream until done is true, keeping track of how many bytes have been received. javascript

async function downloadFile(url, filename) { try { const response = await fetch(url); if (!response.ok) throw new Error('Download failed'); // Convert response to a Blob const blob = await response.blob(); // Create a temporary URL for the Blob const downloadUrl = window.URL.createObjectURL(blob); // Create a hidden anchor element to trigger the download const link = document.createElement('a'); link.href = downloadUrl; link.download = filename; // Set the desired file name document.body.appendChild(link); link.click(); // Programmatically click the link // Clean up: remove the link and revoke the URL to free memory document.body.removeChild(link); window.URL.revokeObjectURL(downloadUrl); } catch (error) { console.error('Error downloading file:', error); } } Use code with caution.

For smaller files, you can fetch the entire file into memory as a Blob (Binary Large Object). javascript