Bootstrap Alert
If we want to give any alert message to our user , so from bootstrap it is very easy to create alert messages . There are some predefined class. And we use .alert class for it
Let’s understand them by this program :-
<!DOCTYPE html>
<html lang="en">
<head>
<title>bootstrap 4 Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/
[email protected]/dist/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container-fluid">
<h2> Alerts</h2>
<p> Alerts are created with the .alert class, followed by a contextual color classes:</p>
<div class="alert alert-success">
<strong> Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info">
<strong> Info</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning">
<strong> Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger">
<strong> Danger!</strong> This alert box could indicate a dangerous negative action.
</div>
<div class="alert alert-primary">
<strong> Primary!</strong> Indicates an important action.
</div>
<div class="alert alert-secondary">
<strong> Secondary!</strong> Indicates a slightly less important action.
</div>
<div class="alert alert-dark">
<strong> Dark!</strong> Dark grey alert.
</div>
<div class="alert alert-light">
<strong> Light!</strong> Light grey alert.
</div>
</div>
</div>
</body>
</html>
Output of this Program
So here we get our alert messages.
Alert Links
<!DOCTYPE html>
<html lang="en">
<head>
<title>bootstrap 4 Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/
[email protected]/dist/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container-fluid">
<h2> Alerts</h2>
<p> Alerts are created with the .alert class, followed by a contextual color classes:</p>
<div class="alert alert-success">
<strong> Success!</strong> This alert box could indicate a successful or <a href="#" class="alert-link">positive action.</a>
</div>
<div class="alert alert-info">
<strong> Info</strong> This alert box could indicate a neutral informative <a href="#" class="alert-link">change or action.</a>
</div>
<div class="alert alert-warning">
<strong> Warning!</strong> This alert box could indicate a warning that might <a href="#" class="alert-link">need attention.</a>
</div>
<div class="alert alert-danger">
<strong> Danger!</strong> This alert box could indicate a dangerous <a href="#" class="alert-link">negative action.</a>
</div>
<div class="alert alert-primary">
<strong> Primary!</strong> Indicates an <a href="#" class="alert-link">important action.</a>
</div>
<div class="alert alert-secondary">
<strong> Secondary!</strong> Indicates a slightly less <a href="#" class="alert-link">important action.</a>
</div>
<div class="alert alert-dark">
<strong> Dark!</strong> <a href="#" class="alert-link">Dark grey alert.</a>
</div>
<div class="alert alert-light">
<strong> Light!</strong> <a href="#" class="alert-link">Light grey alert.</a>
</div>
</div>
</div>
</body>
</html>
Output of this Program
Closing Alerts
<!DOCTYPE html>
<html lang="en">
<head>
<title>bootstrap 4 Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/
[email protected]/dist/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/
[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container-fluid">
<h2> Alerts</h2>
<p> Alerts are created with the .alert class, followed by a contextual color classes:</p>
<div class="alert alert-success alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Info</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Danger!</strong> This alert box could indicate a dangerous negative action.
</div>
<div class="alert alert-primary alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Primary!</strong> Indicates an important action.
</div>
<div class="alert alert-secondary alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Secondary!</strong> Indicates a slightly less important action.
</div>
<div class="alert alert-dark alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Dark!</strong> Dark grey alert.
</div>
<div class="alert alert-light alert-dismissible">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong> Light!</strong> Light grey alert.
</div>
</div>
</div>
</body>
</html>
Output of this Program
