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<meta name='assert' content='If pattern contains a single entry with a value of 0, cancel the pre-existing instance of the processing vibration patterns algorithm'>
<style>
button {
height: 100px;
width: 100px;
}
</style>
<h1>Description</h1>
<p>
After hitting the button below, your device must vibrate for a short period of time (roughly one
second). If it vibrates for a longer time (roughly five seconds, it should feel somewhat long) then
the test has failed.
</p>
<button id='vib'>Vibrate!</button>
<script>
if (undefined !== navigator.vibrate) {
document.getElementById('vib').onclick = function () {