Artem_A,
<!DOCTYPE HTML><html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
.progress{
height: 15px;
background-color: #FF0000;
width: 0;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script>
$(function() {
var progressBar = $("#progressbar"),
val = progressBar.data("value"),
progressLabel = $(".progress-label", progressBar);
$(".progress").animate({
width: val + "%"
}, {
step: function(a, b) {
b.prop == "width" && progressLabel.text((a|0) + "%")
},
duration: 30000
})
});
</script>
</head>
<body>
<div id="progressbar" data-value="80">
<div class="progress"></div>
<div class="progress-label"></div>
</div>
</body>
</html>