POST /upload HTTP/1.1 Content-Type: multipart/form-data; boundary=---XYZ
function fileFilter (req, file, cb) gif
document.getElementById('uploadBtn').addEventListener('click', async () => const input = document.getElementById('fileInput'); const file = input.files[0]; if (!file) return alert("No file selected!"); upload file
allow you to add a "File Upload" question where others can submit documents to you. 2. For Developers: Implementing Uploads POST /upload HTTP/1
// Highlight drop zone when dragging file over it ['dragenter', 'dragover'].forEach(eventName => dropZone.addEventListener(eventName, () => dropZone.classList.add('highlight'), false); ); POST /upload HTTP/1.1 Content-Type: multipart/form-data