an></li>
</ol>)
      
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">void postMessage(&#47;*any*&#47; message, [List&lt;Object&gt; transfer]) {
  if (transfer != null) {
    var message_1 = convertDartToNative_SerializedScriptValue(message);
    _postMessage_1(message_1, transfer);
    return;
  }
  var message_1 = convertDartToNative_SerializedScriptValue(message);
  _postMess