objects defined in this section. The client SHALL
      receive responses from the server using the WebSocket <dfn>onmessage</dfn> method, as follows:</p>
      <pre class="highlight hljs javascript">
        WebSocket.onmessage = function(obj){
          // process data
        }
      </pre>
      <p>The message returned by the server MUST be one of the response objects defined in the table below.</p>
      <table class="parameters">
          <tr>
            <th>Request Objects</th>
         