| <style> | 
 |     body { background: green; color: white; } | 
 |     document:-webkit-full-screen-document > body { background: red;  } | 
 |     span { text-decoration: underline; cursor: hand; } | 
 |     div { | 
 |         background: blue; | 
 |         width: 200px; | 
 |         height: 100px; | 
 |     } | 
 |     div:-webkit-full-screen { | 
 |         width: 100%; | 
 |         height: 100%; | 
 |     } | 
 | </style> | 
 | <script> | 
 | function toggleFullScreen() { | 
 |     if (document.webkitIsFullScreen) | 
 |         document.webkitCancelFullScreen(); | 
 |     else | 
 |         document.getElementsByTagName('div')[0].webkitRequestFullscreen(); | 
 | } | 
 | </script> | 
 | <body> | 
 |     This tests that the page does not have a visible "flash" when finishing the exit full screen animation. | 
 |     <span onclick="toggleFullScreen()">Click to toggle full screen.</span> | 
 |     <div> | 
 |     </div> | 
 | </body> |