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<script>
    $(document).ready(function() {
        var progress = 0;
        setInterval(function() {
            progress += 10;
            if (progress > 100) {
                progress = 0;
            }
            $('#progress-example .progress-bar').width(progress + '%').attr('aria-valuenow', progress);
        }, 1000);
    });
</script>

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