title: on unload event of browser
body: <p>HI </p>
  
  <p>I wanna timeout session from client page,i tried below code but not able to execute code need some help of how i can handle OK or CANCEL events from user</p>
  
  <pre><code>&lt;script&gt;
  
   function onBeforeUnloadAction(){
  
      return "Would u like to discard Changes";
  
   }
  
   window.onbeforeunload = function(){
     if((window.event.clientX&lt;0) ||
        (window.event.clientY&lt;0))
  {
       return onBeforeUnloadAction();
  
     }
   }
  
   &lt;/script&gt;
  </code></pre>