Bootstrap ProgressBars Tutorial with Examples
1. Progress Bar
No ADS
Progress Bar is a visual interface component that describes the progress of a work, for example, download progress, installation progress. The Progress Bar allows the user to know the percentage of completion, and estimate the time when the work will be completed.
Bootstrap provides a few classes for you to build a Progress Bar.
- .progress-bar: This class is used for the element denoting current work progress.
- .progress: This class is used for the element wraping the .progress-bar element, which denotes the maximum value of progress bar.
<div class="progress">
<div class="progress-bar"
role="progressbar"
aria-valuenow="80"
aria-valuemin="0" aria-valuemax="100"
style="width:80%">
80%
</div>
</div>
Explanation about code:
Thuộc tính (Attribute) | Description |
aria-valuemin aria-valuemax aria-valuenow | The minimum value, maximum value and current value of progress. These attributes do not serve as displaying the length of progress-bar which you see on the interface. But these attributes allow you to get values through Javascript. |
style="width:80%" | This is the way for displaying the length (percentage) of progress-bar which you see on the interface. |
Look at full example:
progressbar-example.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Progress Bar Example</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css">
</head>
<body>
<div class="container mt-3">
<h4>Progress Bar:</h4>
<div class="progress">
<div class="progress-bar" role="progressbar"
aria-valuenow="80"
aria-valuemin="0" aria-valuemax="100"
style="width:80%">
80%
</div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
</body>
</html>
Colors:
You can apply background color to the Progress-bar. Below is the list of predefined background colors of the Bootstrap.
- bg-primary
- bg-secondary
- bg-success
- bg-danger
- bg-warning
- bg-info
- bg-light
- bg-dark
- bg-muted
- bg-white
colored-progressbar-example.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Progress Bar Example</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css">
<style>
.progress {
margin: 5px 0px;
}
</style>
</head>
<body>
<div class="container mt-3">
<h4>Colored Progress Bars:</h4>
<div class="progress">
<div class="progress-bar bg-success text-left"
role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width:40%">
40% Complete (.bg-success)
</div>
</div>
<div class="progress">
<div class="progress-bar bg-info text-left"
role="progressbar" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" style="width:50%">
50% Complete (.bg-info)
</div>
</div>
<div class="progress">
<div class="progress-bar bg-warning text-left"
role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width:60%">
60% Complete (.bg-warning)
</div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
</body>
</html>
Height:
You need to set up only the height of .progress, all inner .progress-bar will also be automatically changed height.
Set Height for Progress
<div class="progress" style="height:5px;">
<div class="progress-bar bg-success" role="progressbar"
aria-valuenow="80"
aria-valuemin="0" aria-valuemax="100"
style="width:80%">
</div>
</div>
<br>
<div class="progress" style="height:55px;">
<div class="progress-bar" role="progressbar"
aria-valuenow="30"
aria-valuemin="0" aria-valuemax="100"
style="width:30%">
</div>
</div>
2. Striped Progress Bar
No ADS
Use the .striped-progress-bar class with the .progress-bar, you will get a progress bar with stripes
Striped Progress Bar
<div class="progress">
<div class="progress-bar progress-bar-striped" role="progressbar"
aria-valuenow="80"
aria-valuemin="0" aria-valuemax="100"
style="width:80%">
80%
</div>
</div>
Combine the .progress-bar-striped class & .progress-bar-animated class, you can create a progress bar with animation effect.
Animated Progress Bar
<div class="progress">
<div class="progress-bar progress-bar-striped progress-bar-animated"
role="progressbar"
aria-valuenow="80"
aria-valuemin="0" aria-valuemax="100"
style="width:80%">
80%
</div>
</div>
3. Stacked Progress Bar
Progress-bars can also be stacked each other, which is similar to the following illustration.
Stacked Progress Bar
<div class="progress">
<div class="progress-bar" role="progressbar" style="width: 15%"
aria-valuenow="15" aria-valuemin="0" aria-valuemax="100">
Music 3GB
</div>
<div class="progress-bar bg-success" role="progressbar" style="width: 30%"
aria-valuenow="30" aria-valuemin="0" aria-valuemax="100">
Video 6GB
</div>
<div class="progress-bar bg-info" role="progressbar" style="width: 20%"
aria-valuenow="20" aria-valuemin="0" aria-valuemax="100">
Picture 4GB
</div>
</div>
No ADS
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