Alerts
Bootstrap provides an easy way to create predefined alert messages:
×Success! This alert box indicates a successful or positive action.
×Info! This alert box indicates a neutral informative change or action.
×Warning! This alert box indicates a warning that might need attention.
×Danger! This alert box indicates a dangerous or potentially negative action.
Alerts are created with the
.alert class, followed by one of the four contextual classes .alert-success, .alert-info, .alert-warning or .alert-dangerCode:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Alerts</h2>
<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 or potentially negative action.
</div>
</div>
</body>
</html>
Alert Links
Add the
alert-link class to any links inside the alert box to create "matching colored links"
Success! You should read this message.
Info! You should read this message.
Warning! You should read this message.
Danger! You should read this message.
Code:<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Alert Links</h2>
<p>Add the alert-link class to any links inside the alert box to create "matching colored links".</p>
<div class="alert alert-success">
<strong>Success!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-info">
<strong>Info!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-warning">
<strong>Warning!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
<div class="alert alert-danger">
<strong>Danger!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>
</div>
</body>
</html>
Closing Alerts
×Click on the "x" symbol to the right to close me.
To close the alert message, add a
.alert-dismissable class to the alert container. Then add class="close" and data-dismiss="alert" to a link or a button element (when you click on this the alert box will disappear).
Code:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Alerts</h2>
<p>The a element with class="close" and data-dismiss="alert" is used to close the alert box.</p>
<p>The alert-dismissible class adds some extra padding to the close button.</p>
<div class="alert alert-success alert-dismissable">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info alert-dismissable">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Info!</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning alert-dismissable">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger alert-dismissable">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
</div>
</div>
</body>
</html>
Animated Alerts
×Click on the "x" symbol to the right to close me. I will "fade" out.
The
.fade and .in classes adds a fading effect when closing the alert message:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Animated Alerts</h2>
<p>The .fade and .in classes adds a fading effect when closing the alert message.</p>
<div class="alert alert-success alert-dismissable fade in">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Success!</strong> This alert box could indicate a successful or positive action.
</div>
<div class="alert alert-info alert-dismissable fade in">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Info!</strong> This alert box could indicate a neutral informative change or action.
</div>
<div class="alert alert-warning alert-dismissable fade in">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Warning!</strong> This alert box could indicate a warning that might need attention.
</div>
<div class="alert alert-danger alert-dismissable fade in">
<a href="#" class="close" data-dismiss="alert" aria-label="close">×</a>
<strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
</div>
</div>
</body>
</html>
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