I can't change content of div when using mobile view, it works perfectly fine when using desktop view. The output in console is correct, but its not shown in div.

Example of code:

<div id="dateandtime" class=""></div>
<div id="dateandtime2" class=""></div>
<div id="dateandtime3" class=""></div>
<script>
    jQuery(document).ready(function() {
        let datea = "${dogodek.eventDate}".split(" ")[0];
        let timea = "${dogodek.eventDate}".split(" ")[1];
        let timeArray = timea.split(":");
        timea = timeArray[0] + ":" + timeArray[1];
        console.log('date: ', datea, ', time: ', timea);
        $('#dateandtime2').html(datea);
        $('#dateandtime3').text(datea);
        $('#dateandtime').append(datea);
        console.log("done");
        document.getElementById('dateandtime').innerHTML += 'Extra stuff';
    });
    document.getElementById('dateandtime').innerHTML += 'Extra stuff';
</script>