client.js

socket.on('notification-message', function(msg) {
    var targetContainer = document.getElementById('notification-count');
    console.log(targetContainer);
    {% if request.endpoint == 'dash.notification' %}
        var nextNotificationButton = document.getElementById('next-unread-notification');
        var nextNotificationFooter = document.getElementById('notification-footer');
    {% endif %}
    if (msg.count != 0) {
        targetContainer.classList.add("notification-count");
        targetContainer.innerHTML = msg.count;
        {% if request.endpoint == 'dash.notification' %}
            nextNotificationButton.setAttribute('style', 'opacity: 1');
            nextNotificationButton.href = msg.most_recent_notification_link;
            nextNotificationFooter.setAttribute('style', 'flex-direction: row');
        {% endif %}
    }
    else {
        targetContainer.removeAttribute("class");
        targetContainer.innerHTML = '';
    }
});