Alert Box not working in intel xdk
<p>this is my code</p>

<pre><code>&lt;button class="btn widget uib_w_2 d-margins btn-danger" data-uib="twitter%20bootstrap/button" data-ver="1" id="btn" onclick="show()"&gt;&lt;i class="glyphicon glyphicon-search button-icon-left" data-position="left"&gt;&lt;/i&gt;Show&lt;/button&gt;
    &lt;/div&gt;
&lt;script&gt;

      function show(){
          intel.xdk.notification.alert("your name is:","tiltle","ok");
      }
      &lt;/script&gt;
  &lt;/body&gt;
</code></pre>

<p>when i run in the emulator is not working what should  to do !!</p>