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<!DOCTYPE html>
<meta charset='utf-8'>
<title>Vibration API: cancel ongoing vibrate() when hidden by switching tab/window</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'>
<meta name='assert' content='If the visibilitychange event is dispatched at the Document in a browsing context, 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>
var win;
if (undefined !== navigator.vibrate) {
document.getElementById('vib').onclick = function () {
navigator.vibrate(5000);
setTimeout(function () {
win = window.open('about:blank', '_blank');
setTimeout(function() {
win.close();
}, 100);
}, 1000);
};
}
</script>
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