Part 1: Setting up the file uploadWe can select a file and click upload. The file will be sent to the server using AJAX without refreshing the page.index.html — Web frontend file.upload.php — Backend script that handles uploads.uploads/ — A folder to store the uploaded files.
<h2>Upload a File</h2>
<input type="file" id="fileInput">
<button id="uploadBtn">Upload</button>
<div id="status"></div>
$('#uploadBtn').on('click', function () {
var file = ...
