Polyboard/modules/example/example.html

<h4>This is a very simple example module!</h4>
<button id="testButton" onclick="testFunc()">test!</button>
<script>
  function getel(el) {return document.getElementById(el)}

  function testFunc() {
    window.sendRaw('test1', {
      data: 'test!'
    })
  }
</script>