<!DOCTYPE html> <html> <head> <meta charset='utf-8'/> <title>Vibration API: test a pattern array parameter to vibrate() with an extra (even) item</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'/> <meta name='assert' content='If the length of pattern is even, then remove the last entry in pattern.'/> </head> <body> <h1>Description</h1> <p> After hitting the button below, your device must vibrate three times for one second, separated by one second intervals. </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([1000, 1000, 1000, 1000, 1000, 1000]); }; } </script> </body> </html>