test1-echo.html

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Janus WebRTC Gateway: Echo Test</title>
<!-- script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/webrtc-adapter/3.1.5/adapter.min.js" ></script> -->
<!-- script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/webrtc-adapter/3.3.4/adapter.min.js" ></script> -->
<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
<script type="text/javascript" src="js/janus.nojquery.js" ></script>
<script type="text/javascript" src="js/test1-echo.js"></script>
</head>

<body>

<h3 class="panel-title">Local Stream</h3>
<video id="video1" width="320" height="240" autoplay muted></video>

<h3 class="panel-title">Remote Stream</h3>
<video id="video2" width="320" height="240" autoplay></video><br>

</body>
</html>