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<a href="/docs/4.4/components/buttons/">
Buttons
</a>
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Button group
</a>
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<a href="/docs/4.4/components/card/">
Card
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Carousel
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<a href="/docs/4.4/components/collapse/">
Collapse
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Dropdowns
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Forms
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Input group
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Media object
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<a href="/docs/4.4/components/modal/">
Modal
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<a href="/docs/4.4/components/navs/">
Navs
</a>
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<a href="/docs/4.4/components/navbar/">
Navbar
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</li><li>
<a href="/docs/4.4/components/pagination/">
Pagination
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<a href="/docs/4.4/components/popovers/">
Popovers
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<a href="/docs/4.4/components/progress/">
Progress
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Scrollspy
</a>
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Spinners
</a>
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<a href="/docs/4.4/components/toasts/">
Toasts
</a>
</li><li>
<a href="/docs/4.4/components/tooltips/">
Tooltips
</a>
</li></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.4/utilities/borders/">
Utilities
</a>
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<a href="/docs/4.4/utilities/borders/">
Borders
</a>
</li><li>
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Clearfix
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Close icon
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Colors
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Display
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Embed
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Flex
</a>
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Float
</a>
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<a href="/docs/4.4/utilities/image-replacement/">
Image replacement
</a>
</li><li>
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Overflow
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</li><li>
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Screen readers
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Sizing
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Spacing
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Stretched link
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</a>
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<ul class="section-nav">
<li class="toc-entry toc-h2"><a href="#examples">Examples</a>
<ul>
<li class="toc-entry toc-h3"><a href="#link-color">Link color</a></li>
<li class="toc-entry toc-h3"><a href="#additional-content">Additional content</a></li>
<li class="toc-entry toc-h3"><a href="#dismissing">Dismissing</a></li>
</ul>
</li>
<li class="toc-entry toc-h2"><a href="#javascript-behavior">JavaScript behavior</a>
<ul>
<li class="toc-entry toc-h3"><a href="#triggers">Triggers</a></li>
<li class="toc-entry toc-h3"><a href="#methods">Methods</a></li>
<li class="toc-entry toc-h3"><a href="#events">Events</a></li>
</ul>
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</nav>
<main class="col-md-9 col-xl-8 py-md-3 pl-md-5 bd-content" role="main">
<h1 class="bd-title" id="content">Alerts</h1>
<p class="bd-lead">Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages.</p>
<script async src="https://cdn.carbonads.com/carbon.js?serve=CKYIKKJL&placement=getbootstrapcom" id="_carbonads_js"></script>
<h2 id="examples">Examples</h2>
<p>Alerts are available for any length of text, as well as an optional dismiss button. For proper styling, use one of the eight <strong>required</strong> contextual classes (e.g., <code class="highlighter-rouge">.alert-success</code>). For inline dismissal, use the <a href="#dismissing">alerts jQuery plugin</a>.</p>
<div class="bd-example">
<div class="alert alert-primary" role="alert">
A simple primary alert—check it out!
</div>
<div class="alert alert-secondary" role="alert">
A simple secondary alert—check it out!
</div>
<div class="alert alert-success" role="alert">
A simple success alert—check it out!
</div>
<div class="alert alert-danger" role="alert">
A simple danger alert—check it out!
</div>
<div class="alert alert-warning" role="alert">
A simple warning alert—check it out!
</div>
<div class="alert alert-info" role="alert">
A simple info alert—check it out!
</div>
<div class="alert alert-light" role="alert">
A simple light alert—check it out!
</div>
<div class="alert alert-dark" role="alert">
A simple dark alert—check it out!
</div>
</div>
<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-primary"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple primary alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-secondary"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple secondary alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-success"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple success alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-danger"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple danger alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-warning"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple warning alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-info"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple info alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-light"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple light alert—check it out!
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-dark"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple dark alert—check it out!
<span class="nt"></div></span></code></pre></figure>
<div class="bd-callout bd-callout-warning">
<h5 id="conveying-meaning-to-assistive-technologies">Conveying meaning to assistive technologies</h5>
<p>Using color to add meaning only provides a visual indication, which will not be conveyed to users of assistive technologies – such as screen readers. Ensure that information denoted by the color is either obvious from the content itself (e.g. the visible text), or is included through alternative means, such as additional text hidden with the <code class="highlighter-rouge">.sr-only</code> class.</p>
</div>
<h3 id="link-color">Link color</h3>
<p>Use the <code class="highlighter-rouge">.alert-link</code> utility class to quickly provide matching colored links within any alert.</p>
<div class="bd-example">
<div class="alert alert-primary" role="alert">
A simple primary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-secondary" role="alert">
A simple secondary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-success" role="alert">
A simple success alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-danger" role="alert">
A simple danger alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-warning" role="alert">
A simple warning alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-info" role="alert">
A simple info alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-light" role="alert">
A simple light alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
<div class="alert alert-dark" role="alert">
A simple dark alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
</div>
</div>
<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-primary"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple primary alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-secondary"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple secondary alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-success"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple success alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-danger"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple danger alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-warning"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple warning alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-info"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple info alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-light"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple light alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span>
<span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-dark"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
A simple dark alert with <span class="nt"><a</span> <span class="na">href=</span><span class="s">"#"</span> <span class="na">class=</span><span class="s">"alert-link"</span><span class="nt">></span>an example link<span class="nt"></a></span>. Give it a click if you like.
<span class="nt"></div></span></code></pre></figure>
<h3 id="additional-content">Additional content</h3>
<p>Alerts can also contain additional HTML elements like headings, paragraphs and dividers.</p>
<div class="bd-example">
<div class="alert alert-success" role="alert">
<h4 class="alert-heading">Well done!</h4>
<p>Aww yeah, you successfully read this important alert message. This example text is going to run a bit longer so that you can see how spacing within an alert works with this kind of content.</p>
<hr />
<p class="mb-0">Whenever you need to, be sure to use margin utilities to keep things nice and tidy.</p>
</div>
</div>
<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-success"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
<span class="nt"><h4</span> <span class="na">class=</span><span class="s">"alert-heading"</span><span class="nt">></span>Well done!<span class="nt"></h4></span>
<span class="nt"><p></span>Aww yeah, you successfully read this important alert message. This example text is going to run a bit longer so that you can see how spacing within an alert works with this kind of content.<span class="nt"></p></span>
<span class="nt"><hr></span>
<span class="nt"><p</span> <span class="na">class=</span><span class="s">"mb-0"</span><span class="nt">></span>Whenever you need to, be sure to use margin utilities to keep things nice and tidy.<span class="nt"></p></span>
<span class="nt"></div></span></code></pre></figure>
<h3 id="dismissing">Dismissing</h3>
<p>Using the alert JavaScript plugin, it’s possible to dismiss any alert inline. Here’s how:</p>
<ul>
<li>Be sure you’ve loaded the alert plugin, or the compiled Bootstrap JavaScript.</li>
<li>If you’re building our JavaScript from source, it <a href="/docs/4.4/getting-started/javascript/#util">requires <code class="highlighter-rouge">util.js</code></a>. The compiled version includes this.</li>
<li>Add a dismiss button and the <code class="highlighter-rouge">.alert-dismissible</code> class, which adds extra padding to the right of the alert and positions the <code class="highlighter-rouge">.close</code> button.</li>
<li>On the dismiss button, add the <code class="highlighter-rouge">data-dismiss="alert"</code> attribute, which triggers the JavaScript functionality. Be sure to use the <code class="highlighter-rouge"><button></code> element with it for proper behavior across all devices.</li>
<li>To animate alerts when dismissing them, be sure to add the <code class="highlighter-rouge">.fade</code> and <code class="highlighter-rouge">.show</code> classes.</li>
</ul>
<p>You can see this in action with a live demo:</p>
<div class="bd-example">
<div class="alert alert-warning alert-dismissible fade show" role="alert">
<strong>Holy guacamole!</strong> You should check in on some of those fields below.
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
</div>
<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt"><div</span> <span class="na">class=</span><span class="s">"alert alert-warning alert-dismissible fade show"</span> <span class="na">role=</span><span class="s">"alert"</span><span class="nt">></span>
<span class="nt"><strong></span>Holy guacamole!<span class="nt"></strong></span> You should check in on some of those fields below.
<span class="nt"><button</span> <span class="na">type=</span><span class="s">"button"</span> <span class="na">class=</span><span class="s">"close"</span> <span class="na">data-dismiss=</span><span class="s">"alert"</span> <span class="na">aria-label=</span><span class="s">"Close"</span><span class="nt">></span>
<span class="nt"><span</span> <span class="na">aria-hidden=</span><span class="s">"true"</span><span class="nt">></span><span class="ni">&times;</span><span class="nt"></span></span>
<span class="nt"></button></span>
<span class="nt"></div></span></code></pre></figure>
<h2 id="javascript-behavior">JavaScript behavior</h2>
<h3 id="triggers">Triggers</h3>
<p>Enable dismissal of an alert via JavaScript:</p>
<figure class="highlight"><pre><code class="language-js" data-lang="js"><span class="nx">$</span><span class="p">(</span><span class="dl">'</span><span class="s1">.alert</span><span class="dl">'</span><span class="p">).</span><span class="nx">alert</span><span class="p">()</span></code></pre></figure>
<p>Or with <code class="highlighter-rouge">data</code> attributes on a button <strong>within the alert</strong>, as demonstrated above:</p>
<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt"><button</span> <span class="na">type=</span><span class="s">"button"</span> <span class="na">class=</span><span class="s">"close"</span> <span class="na">data-dismiss=</span><span class="s">"alert"</span> <span class="na">aria-label=</span><span class="s">"Close"</span><span class="nt">></span>
<span class="nt"><span</span> <span class="na">aria-hidden=</span><span class="s">"true"</span><span class="nt">></span><span class="ni">&times;</span><span class="nt"></span></span>
<span class="nt"></button></span></code></pre></figure>
<p>Note that closing an alert will remove it from the DOM.</p>
<h3 id="methods">Methods</h3>
<table>
<thead>
<tr>
<th>Method</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code class="highlighter-rouge">$().alert()</code></td>
<td>Makes an alert listen for click events on descendant elements which have the <code class="highlighter-rouge">data-dismiss="alert"</code> attribute. (Not necessary when using the data-api’s auto-initialization.)</td>
</tr>
<tr>
<td><code class="highlighter-rouge">$().alert('close')</code></td>
<td>Closes an alert by removing it from the DOM. If the <code class="highlighter-rouge">.fade</code> and <code class="highlighter-rouge">.show</code> classes are present on the element, the alert will fade out before it is removed.</td>
</tr>
<tr>
<td><code class="highlighter-rouge">$().alert('dispose')</code></td>
<td>Destroys an element’s alert.</td>
</tr>
</tbody>
</table>
<figure class="highlight"><pre><code class="language-js" data-lang="js"><span class="nx">$</span><span class="p">(</span><span class="dl">'</span><span class="s1">.alert</span><span class="dl">'</span><span class="p">).</span><span class="nx">alert</span><span class="p">(</span><span class="dl">'</span><span class="s1">close</span><span class="dl">'</span><span class="p">)</span></code></pre></figure>
<h3 id="events">Events</h3>
<p>Bootstrap’s alert plugin exposes a few events for hooking into alert functionality.</p>
<table>
<thead>
<tr>
<th>Event</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code class="highlighter-rouge">close.bs.alert</code></td>
<td>This event fires immediately when the <code>close</code> instance method is called.</td>
</tr>
<tr>
<td><code class="highlighter-rouge">closed.bs.alert</code></td>
<td>This event is fired when the alert has been closed (will wait for CSS transitions to complete).</td>
</tr>
</tbody>
</table>
<figure class="highlight"><pre><code class="language-js" data-lang="js"><span class="nx">$</span><span class="p">(</span><span class="dl">'</span><span class="s1">#myAlert</span><span class="dl">'</span><span class="p">).</span><span class="nx">on</span><span class="p">(</span><span class="dl">'</span><span class="s1">closed.bs.alert</span><span class="dl">'</span><span class="p">,</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="c1">// do something...</span>
<span class="p">})</span></code></pre></figure>
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