The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.
Send messages to iframe using iframeEl.contentWindow.postMessage
Recieve messages using window.addEventListener('message')
<!DOCTYPE HTML> | |
<html lang="en-US"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>test upload by chunk</title> | |
</head> | |
<body> | |
<input type="file" id="f" /> | |
<script src="script.js"></script> |