<script>
    $(function(){

        var start = 0;
        var end = 200;
        var step = 1;

        var demo = function(){
            if (start < end) {
                window.setTimeout(function(){
                    var value = start /end * 100;
                    $('.progress-bar').css('width',value+'%');
                    demo();
                    start += step;
                },100);
            }
        };
        demo();
    })
</script>