web/app/view/pages/race/live-results.php

<h1>Live resultater</h1>
<br>
<table id ="table">
    <tr>
        <th>Some shit</th>
        <th>Some shit</th>
    </tr>
</table>

<script>
hash = 0;
async function doTheThang()
{
    response = await fetch("sync.php?hash=" + hash);

    if (response.status === 204)
    {
        return;
    }

    json = await response.json();

    hash = json.hash;
    data = json.data;

    document.getElementById("table").innerHTML = json.data;
}

setInterval(function() { doTheThang() }, 1000)
doTheThang();
</script>