How can CSS or Javascript be utilized to visually indicate read and unread documents in a PHP application without relying on server-side tracking?

To visually indicate read and unread documents in a PHP application without relying on server-side tracking, you can use CSS or JavaScript to dynamically change the appearance of the documents based on user interaction. For example, you can change the color or style of the document link when it is clicked or hovered over to indicate that it has been read. This can provide a visual cue to users without the need for server-side tracking. 

<?php
// Sample PHP code to display a list of documents with read/unread indication using CSS and JavaScript

$documents = array(
    array('title' => 'Document 1', 'read' => false),
    array('title' => 'Document 2', 'read' => true),
    array('title' => 'Document 3', 'read' => false)
);

echo '<ul>';
foreach ($documents as $document) {
    $class = $document['read'] ? 'read' : 'unread';
    echo '<li><a href="#" class="' . $class . '">' . $document['title'] . '</a></li>';
}
echo '</ul>';
?>

<style>
.read {
    color: gray; /* Change color for read documents */
}

.unread {
    font-weight: bold; /* Add bold style for unread documents */
}

a:hover {
    text-decoration: underline; /* Add underline on hover */
}
</style>

<script>
document.querySelectorAll('a').forEach(link => {
    link.addEventListener('click', () => {
        link.classList.add('read'); // Change class to 'read' when clicked
    });
});
</script>

Keywords

CSS Javascript read unread documents

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