HTML5 Tracker

Short URL: http://html5.org/r/4638

Index: source
===================================================================
--- source	(revision 4637)
+++ source	(revision 4638)
@@ -76195,6 +76195,32 @@
   title="dom-WebSocket-send">send()</code> method (the number does not
   reset to zero once the connection closes).</p>
 
+  <div class="example">
+
+   <p>In this simple example, the <code
+   title="dom-WebSocket-bufferedAmount">bufferedAmount</code>
+   attribute is used to ensure that updates are sent either at the
+   rate of one update every 50ms, if the network can handle that rate,
+   or at whatever rate the network <em>can</em> handle, if that is too
+   fast.</p>
+
+   <pre>var socket = new WebSocket('ws://game.example.com:12010/updates');
+socket.onopen = function () {
+  setInterval(function() {
+    if (socket.bufferedAmount == 0)
+      socket.send(getUpdateData());
+  }, 50);
+};</pre>
+
+   <p>The <code
+   title="dom-WebSocket-bufferedAmount">bufferedAmount</code>
+   attribute can also be used to saturate the network without sending
+   the data at a higher rate than the network can handle, though this
+   requires more careful monitoring of the value of the attribute over
+   time.</p>
+
+  </div>
+
   <hr>
 
   <p>The following are the <span>event handlers</span> that must be

Previous | Next