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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>

</body>

</html>

Output of this Program


bootstrapimage




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


bootstrapimage




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


bootstrapimage







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