JSON to client-side CSV file download using vanilla JavaScript
function downloadCsv(csvString, filename = 'data.csv') // Create a Blob with the CSV data and correct MIME type const blob = new Blob([csvString], type: 'text/csv;charset=utf-8;' ); const url = URL.createObjectURL(blob); // Create a hidden anchor element const link = document.createElement('a'); link.setAttribute('href', url); link.setAttribute('download', filename); link.style.visibility = 'hidden'; // Append to body, click, and cleanup document.body.appendChild(link); link.click(); document.body.removeChild(link); URL.revokeObjectURL(url); // Clean up memory Use code with caution. 3. Full Implementation Example javascript convert json to csv download
async function exportData() try const response = await fetch('https://example.com'); const data = await response.json(); const csv = jsonToCsv(data); downloadCsv(csv, 'report_export.csv'); catch (error) console.error('Export failed:', error); Use code with caution. Key Technical Considerations JSON to client-side CSV file download using vanilla