A progress bar is used to display the progress of a process on a computer. A progress bar displays how much of the process is completed and how much is left. You can add a progress bar on a web page using predefined bootstrap classes. Bootstrap provides many types of progress bars.
Syntax:
<div class="progress">
<div class="progress-bar" style="width:x%"></div>
<div>
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body>
<h1 style="color:green;text-align:center;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress">
<div class="progress-bar"
style="width:80%">
</div>
</div>
</div>
</body>
</html>
Output:

Height of Progress Bar: Use CSS property to change the height of progress bar. The default height of progress is 16px. The height of progress and progress-bar container must be the same.
Syntax:
<div class="progress" style="height:30px;">
<div class="progress-bar" style="width:x%";height30px;></div>
<div>
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body>
<h1 style="color:green;text-align:center;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress" style="height:30px;">
<div class="progress-bar"
style="width:80%;height:30px;">
</div>
</div>
</div>
</body>
</html>
Output:

Labeled Progress Bar: The labeled progress bar is used to display the text inside the progress bar to show the task completion percentage.
Syntax:
<div class="progress">
<div class="progress-bar" style="width:x%">x%</div>
<div>
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress">
<div class="progress-bar"
style="width:80%;">
80%
</div>
</div>
</div>
</body>
</html>
Output:

Colored Progress Bars: Use Bootstrap 4 contextual background classes to set the color of progress bar. The default color of the progress bar is blue.
Syntax:
<div class="progress">
<div class="progress-bar bg-*" style="width:x%">x%</div>
<div>
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress">
<div class="progress-bar"
style="width:50%;">
50%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-success"
style="width:90%;">
90%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-warning"
style="width:30%;">
30%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-danger"
style="width:10%;">
10%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-info"
style="width:70%;">
70%
</div>
</div><br>
</div>
</body>
</html>
Output:

Stripped Progress Bars: The .progress-bar-stripped class is used to add stripes to the progress bars. Use the combination of .progress-bar and .progress-bar-stripped classes to create stripped progress bar. Use Bootstrap 4 contextual background classes to set the color of progress bar.
Syntax:
<div class="progress">
<div class="progress-bar progress-bar-stripped" style="width:x%">
x%
</div>
<div>
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress">
<div class="progress-bar progress-bar-stripped"
style="width:50%;">
50%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-success progress-bar-stripped"
style="width:90%;">
90%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-warning progress-bar-stripped"
style="width:30%;">
30%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-danger progress-bar-stripped"
style="width:10%;">
10%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-info progress-bar-stripped"
style="width:70%;">
70%
</div>
</div><br>
</div>
</body>
</html>
Output:

Animated Progress Bar: The .progress-bar-animated class is used to create an animated progress bar. Use the combination of .progress-bar, progress-bar-stripped and progress-bar-animated to create an animated progress bar.
Syntax:
<div class="progress">
<div class="progress-bar progress-bar-stripped progress-bar-animated"
style="width:x%">
x%
</div>
<div>
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress">
<div class="progress-bar progress-bar-stripped
progress-bar-animated"
style="width:50%;">
50%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-success progress-bar-stripped
progress-bar-animated"
style="width:90%;">
90%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-warning progress-bar-stripped
progress-bar-animated"
style="width:30%;">
30%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-danger progress-bar-stripped
progress-bar-animated"
style="width:10%;">
10%
</div>
</div><br>
<div class="progress">
<div class="progress-bar bg-info progress-bar-stripped
progress-bar-animated"
style="width:70%;">
70%
</div>
</div><br>
</div>
</body>
</html>
Output:

Multiple Progress Bars: Multiple progress bars can be stacked to display different colored progress bars.
Example:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress Bar</title>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1">
<link rel="stylesheet" href=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">
</script>
<script src=
"https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js">
</script>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<div class="container">
<div class="progress">
<div class="progress-bar"
style="width:10%;">
10%
</div>
<div class="progress-bar bg-success"
style="width:20%;">
20%
</div>
<div class="progress-bar bg-warning"
style="width:30%;">
30%
</div>
<div class="progress-bar bg-danger"
style="width:30%;">
30%
</div>
</div>
</div>
</body>
</html>
Output:

Supported Browsers:
- Google Chrome
- Internet Explorer
- Firefox
- Opera
- Safari