vibrate-from-iframe.html | Explore in Territory

<!DOCTYPE html>
<head>
<title>Test vibrate with user gesture in same-origin iframe</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
'use strict';

function startTest() {
  if (window.eventSender) {
    // Simulates a user click for vibrate to be allowed.
    var element = document.getElementById("test");
    eventSender.mouseMoveTo(element.offsetLeft, element.offsetTop);
    eventSender.mouseDown();
    eventSender.mouseUp();
  }
}

window.onmessage = msg => {
  if (msg.data === 'Start') {
    startTest();
  }
}

function testVibrate() {
  assert_true(navigator.vibrate(200));
}
</script>
</head>
<body>
<button id="test" onclick="testVibrate();">Click to vibrate</button>
</body>
</html>

chromium/third_party/blink/web_tests/wpt_internal/vibration/resources/vibrate-from-iframe.html