Bootstrap 5 Tutorial

Bootstrap 5 Alerts

Last modified on: October 27, 2024

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<h3>Bootstrap 5: Alerts</h3>
<p>Bootstrap 5 provides a simple way to create alerts that can convey important information to users. Alerts are built using the <code>.alert</code> class along with contextual classes to indicate the nature of the message (e.g., success, error, warning).</p>
<hr />
<h3>Key Features of Bootstrap 5 Alerts</h3>
<ol>
<li><strong>Contextual Variants</strong>: Use predefined classes for different types of alerts, such as success, danger, warning, and info.</li>
<li><strong>Dismissing Alerts</strong>: Alerts can be dismissible with the addition of JavaScript functionality.</li>
<li><strong>Flexibility</strong>: Alerts can contain any HTML content, including links, buttons, and icons.</li>
</ol>
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<h3>Example: Creating Alerts in Bootstrap 5</h3>
<p>Here&rsquo;s an example demonstrating various types of alerts in Bootstrap 5:</p>
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<pre class="language-markup"><code>&lt;!DOCTYPE html&gt;
&lt;html lang="en"&gt;
&lt;head&gt;
    &lt;meta charset="UTF-8"&gt;
    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
    &lt;title&gt;Bootstrap 5 Alerts Example&lt;/title&gt;
    &lt;link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css" rel="stylesheet"&gt;
&lt;/head&gt;
&lt;body&gt;

&lt;div class="container mt-5"&gt;
        &lt;h1&gt;Bootstrap 5 Alerts&lt;/h1&gt;

&lt;div class="alert alert-primary" role="alert"&gt;
            This is a primary alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-secondary" role="alert"&gt;
            This is a secondary alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-success" role="alert"&gt;
            This is a success alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-danger" role="alert"&gt;
            This is a danger alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-warning" role="alert"&gt;
            This is a warning alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-info" role="alert"&gt;
            This is an info alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-light" role="alert"&gt;
            This is a light alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-dark" role="alert"&gt;
            This is a dark alert&mdash;check it out!
        &lt;/div&gt;

&lt;div class="alert alert-success alert-dismissible fade show" role="alert"&gt;
            This is a dismissible alert with some action needed.
            &lt;button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"&gt;&lt;/button&gt;
        &lt;/div&gt;
    &lt;/div&gt;

&lt;script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js"&gt;&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;
</code></pre>
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<h3>Explanation of the Code</h3>
<ul>
<li><strong>Container</strong>: A <code>.container</code> class provides margin and padding for layout.</li>
<li><strong>Alert Classes</strong>: Different alert types are created using the <code>.alert</code> class combined with contextual classes like <code>.alert-success</code>, <code>.alert-danger</code>, and others.</li>
<li><strong>Dismissible Alert</strong>: The <code>alert-dismissible</code> class allows the alert to be closed by the user. The <code>fade</code> and <code>show</code> classes enable a smooth transition when dismissing the alert.</li>
<li><strong>Close Button</strong>: The <code>&lt;button&gt;</code> element with the <code>btn-close</code> class provides a dismiss option for the alert.</li>
</ul>
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<h3>&nbsp;</h3>
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