chromium/third_party/blink/web_tests/external/wpt/vibration/pattern-array-with-0-manual.html

<!DOCTYPE html>
<meta charset='utf-8'>
<title>Vibration API: test a pattern array with 0ms vibration and still to vibrate()</title>
<link rel='author' title='Intel' href='http://www.intel.com'>
<link rel='help' href='http://dev.w3.org/2009/dap/vibration/#vibration-interface'>
<meta name='flags' content='interact'>
<style>
  button {
    height: 100px;
    width:  100px;
  }
</style>

<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>
<div id='log'></div>
<script>
  document.getElementById("vib").onclick = function () {
    navigator.vibrate([0, 0, 2000]);
  };
</script>