<span id="time" title="?">
    <span id="minutes">?</span>:<span id="seconds">?</span>:<span id="ms">?</span>
</span>
<script>
setInterval(function() {
    var date = new Date();
    minutes.textContent = minutes.title = date.getMinutes();
    seconds.textContent = seconds.title = date.getSeconds();
    // ms.textContent = ms.title = date.getMilliseconds();
    time.title = date.getMinutes() + ":" + date.getSeconds();
}, 1000/60);
</script>