| <!DOCTYPE html> | 
 | <html> | 
 |   <head> | 
 |     <meta charset='utf-8'/> | 
 |     <title>Vibration API: test a simple scalar parameter to vibrate()</title> | 
 |     <link rel='author' title='Robin Berjon' href='mailto:robin@berjon.com'/> | 
 |     <link rel='help' href='http://www.w3.org/TR/vibration/#methods'/> | 
 |     <meta name='flags' content='dom, interact'/> | 
 |   </head> | 
 |   <body> | 
 |     <h1>Description</h1> | 
 |     <p> | 
 |       After hitting the button below, your device must vibrate continuously for about two seconds, once. | 
 |     </p> | 
 |     <button id='vib'>Vibrate!</button> | 
 |     <script src='/common/vendor-prefix.js' data-prefixed-objects='[{"ancestors":["navigator"], "name":"vibrate"}]'></script> | 
 |     <script> | 
 |       if (undefined !== navigator.vibrate) { | 
 |           document.getElementById("vib").onclick = function () { | 
 |               navigator.vibrate(2000); | 
 |           }; | 
 |       } | 
 |     </script> | 
 |   </body> | 
 | </html> |