What are the best practices for implementing AJAX to dynamically reload content on a webpage without triggering the browser's loading spinner?

When using AJAX to dynamically reload content on a webpage, the browser's loading spinner can be triggered, giving the user a less than optimal experience. To prevent this, you can add a loading spinner that is controlled by JavaScript to show when content is being loaded, and hide it once the content has been successfully loaded. 

<!DOCTYPE html>
<html>
<head>
    <title>AJAX Content Loading</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <style>
        #loadingSpinner {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
    </style>
</head>
<body>
    <div id="content"></div>
    <div id="loadingSpinner">Loading...</div>

    <script>
        $(document).ready(function() {
            $('#loadingSpinner').hide();

            $('#content').on('click', function() {
                $('#loadingSpinner').show();
                $.ajax({
                    url: 'content.php',
                    success: function(data) {
                        $('#content').html(data);
                        $('#loadingSpinner').hide();
                    }
                });
            });
        });
    </script>
</body>
</html>

Keywords

AJAX PHP dynamic content browser loading spinner webpage.

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