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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Server.py</title>
</head>
<body>
<form name="publish">
<input type="text" name="message">
<input type="submit" value="Send">
</form>
<!-- div with messages -->
<div id="messages"></div>
<script>
let socket = new WebSocket("wss://javascript.info/article/websocket/chat/ws");
// send message from the form
document.forms.publish.onsubmit = function() {
let outgoingMessage = this.message.value;
socket.send(outgoingMessage);
return false;
};
// message received - show the message in div#messages
socket.onmessage = function(event) {
let message = event.data;
let messageElem = document.createElement('div');
messageElem.textContent = message;
document.getElementById('messages').prepend(messageElem);
}
</script>
</body>
</html>