">Tap here to show device info</a>

        <br /><br />

        <a id="codeMisc">Tap here to vibrate on Android or monitor proximity on iOS</a>

        <br /><br />

        <a id="codeCustom1">Tap here to invoke custom isPrime method</a>

        <br /><br />

        <a id="codeCustom2">Tap here to invoke custom getNextPrime method</a>

        <br /><br />

        <div id="spotForOutput"></div>
    </div>

    <!-- PLATFORM-SPECIFIC UI -->
    <div id="div-4" style="display:none">
        <h1>Platfor