SvinChat/src/views/chat.ejs

<div class="chats-container">
    <div class="chat-header">
        <a href="/" class="action">
            <img src="/img/back.png" />
        </a>
        <span class="chat-title"><%- title %></span>
    </div>
    <div class="message-list">
        <% if (empty) { %>
            <p class="empty-label">No messages</p>
        <% } %>
        <% messages.forEach(function(message) { %>
            <div class="message">
                <span class="message-username"><%- message.username %></span>
                <span class="message-text"><%- message.text %></span>
                <span class="message-datetime"><%- message.datetime %></span>
            </div>
        <% }); %>
    </div>
</div>
<script>
    var timestamps = document.getElementsByClassName("message-datetime")
    for (var i = 0; i < timestamps.length; i++) {
        var timestamp = timestamps[i];
        timestamp.innerText = new Date(timestamp.innerText).toLocaleString()
    }
</script>