debug EXAMPLE 6 (#513)

SHA: b89b18b
Reason: push, by mfoltzgoogle

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

index.html

@@ -1022,9 +1022,9 @@ <h1 id="title" class="title">Presentation API</h1>
   </div> <pre aria-busy="false"><code class="hljs xml"><span class="hljs-comment">&lt;!-- presentation.html --&gt;</span>
 <span class="hljs-tag">&lt;<span class="hljs-name">script</span>&gt;</span><span class="javascript">
   <span class="hljs-keyword">var</span> addConnection = <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">connection</span>) </span>{
-    <span class="hljs-built_in">this</span>.onmessage = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">message</span>) </span>{
+    connection.onmessage = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">message</span>) </span>{
       <span class="hljs-keyword">if</span> (message.data == <span class="hljs-string">"say hello"</span>)
-        <span class="hljs-built_in">this</span>.send(<span class="hljs-string">"hello"</span>);
+        connection.send(<span class="hljs-string">"hello"</span>);
     };
   };