s.</p>

    <button onclick="vibrate()">Vibrate</button>
    <button onclick="playSound()">Play Sound</button>

    <pre id="demo"></pre>

    <iframe frameborder="0" src="https://www.google.com/maps/embed?pb=!1m14!1m12!1m3!1d810.7150395348118!2d139.7!3d35.6311738170428!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!5e0!3m2!1sen!2sjp!4v1540691800885"></iframe>
    <iframe frameborder="0" src="https://www.openstreetmap.org/export/embed.html?bbox=139,35,140,36" style="border: 1px solid black"></iframe>


    <script