File Upload With Progress Bar - Javascript & PHP - Ep3
How to Create a File Upload Progress Bar in JavaScript with Real-Time Data Display
In this video, you'll learn how to create a modern file upload form with a live progress bar using JavaScript, AJAX, HTML, and CSS. This tutorial demonstrates how to track file upload progress in real time, including the number of bytes uploaded, percentage completion, and dynamic updates to the UI without refreshing the page.
I walk through how to handle MP4 and MKV file uploads, how to manipulate the DOM to show upload status, and how to use XMLHttpRequest to interact with your server via PHP. Perfect for developers looking to enhance user experience with interactive uploads.
🔧 Tech Covered:
File upload with progress bar using JavaScript
Display uploaded bytes in real time
AJAX-based file handling without page reload
Styling the progress bar with CSS
Backend validation using PHP
Updating PHP’s upload_max_filesize and post_max_size for large files
⏱️ Chapters
00:00 - Introduction to the Updated Upload Form
00:14 - Displaying Progress Bar and Uploaded Data in Bytes
01:14 - HTML Structure Without form Tag
02:00 - Styling the Progress Bar with CSS
02:45 - Using JavaScript to Track Upload Progress
04:00 - Creating FormData and XMLHttpRequest
05:00 - Sending Data to PHP via AJAX
05:47 - Handling Progress and Completion Events
06:40 - Explaining progress and load Event Listeners
07:40 - Displaying Upload Percentage and Completion Feedback
📌 Keywords:
JavaScript file upload, progress bar in HTML, AJAX file upload tutorial, real-time upload status, XMLHttpRequest upload, PHP file upload, HTML CSS JavaScript, upload progress bar, MP4 MKV upload, formdata, PHP upload_max_filesize
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📥 Source code available on request in the comments!