<!doctype html>
<html>
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	</head>
	<body>
		<main>
			<h1>WebSockets playground</h1>
			<button id="open" aria-label="Open WebSocket">Open</button>
			<button id="close" aria-label="Close WebSocket">Close</button>
			<button id="send-string" aria-label="Send string">Send string</button>
			<button id="send-array-buffer" aria-label="Send ArrayBuffer">
				Send ArrayBuffer
			</button>
			<h2 id="status