Bootstrap 4 Tutorial

Bootstrap 4 JS Tab

Last modified on: October 27, 2024

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<h2 class="relative p-1 rounded-sm flex items-center justify-center bg-token-main-surface-primary text-token-text-primary h-8 w-8">Bootstrap 4 JavaScript Tab</h2>
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<p>The Bootstrap 4 Tab component allows users to navigate between content panes within the same page by clicking on different tabs. Each tab links to a specific content area, and only one content pane is shown at a time. The tabbed interface is highly useful for organizing content efficiently.</p>
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<h3>1. Basic Tab Setup</h3>
<p>Use Bootstrap's <code>nav</code> and <code>tab-content</code> classes to create a basic tabbed interface.</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 Tabs Example&lt;/title&gt;
    &lt;!-- Bootstrap CSS CDN --&gt;
    &lt;link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"&gt;
&lt;/head&gt;
&lt;body&gt;

&lt;!-- Tab Navigation --&gt;
    &lt;ul class="nav nav-tabs" id="myTab" role="tablist"&gt;
        &lt;li class="nav-item"&gt;
            &lt;a class="nav-link active" id="home-tab" data-toggle="tab" href="#home" role="tab" aria-controls="home" aria-selected="true"&gt;Home&lt;/a&gt;
        &lt;/li&gt;
        &lt;li class="nav-item"&gt;
            &lt;a class="nav-link" id="profile-tab" data-toggle="tab" href="#profile" role="tab" aria-controls="profile" aria-selected="false"&gt;Profile&lt;/a&gt;
        &lt;/li&gt;
        &lt;li class="nav-item"&gt;
            &lt;a class="nav-link" id="contact-tab" data-toggle="tab" href="#contact" role="tab" aria-controls="contact" aria-selected="false"&gt;Contact&lt;/a&gt;
        &lt;/li&gt;
    &lt;/ul&gt;

&lt;!-- Tab Content --&gt;
    &lt;div class="tab-content" id="myTabContent"&gt;
        &lt;div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab"&gt;
            &lt;h3&gt;Home Content&lt;/h3&gt;
            &lt;p&gt;This is the home tab content.&lt;/p&gt;
        &lt;/div&gt;
        &lt;div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab"&gt;
            &lt;h3&gt;Profile Content&lt;/h3&gt;
            &lt;p&gt;This is the profile tab content.&lt;/p&gt;
        &lt;/div&gt;
        &lt;div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab"&gt;
            &lt;h3&gt;Contact Content&lt;/h3&gt;
            &lt;p&gt;This is the contact tab content.&lt;/p&gt;
        &lt;/div&gt;
    &lt;/div&gt;

&lt;!-- Bootstrap JS and dependencies --&gt;
    &lt;script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"&gt;&lt;/script&gt;
    &lt;script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"&gt;&lt;/script&gt;
    &lt;script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"&gt;&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;
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<li><strong>Explanation</strong>:
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<li><code>data-toggle="tab"</code>: Activates the tab functionality for each link.</li>
<li><code>.nav-tabs</code> and <code>.tab-content</code>: Required classes to create the tabbed navigation and content.</li>
<li><code>show active</code> classes on the first tab&rsquo;s content (<code>id="home"</code>) to make it visible by default.</li>
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<h3>2. JavaScript-Controlled Tab Activation</h3>
<p>Tabs can also be controlled using JavaScript to activate or switch tabs manually.</p>
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<pre class="language-markup"><code>&lt;!-- Button to Switch to Profile Tab --&gt;
&lt;button id="switchTab" class="btn btn-primary mt-3"&gt;Switch to Profile Tab&lt;/button&gt;

&lt;script&gt;
    $(document).ready(function(){
        $('#switchTab').click(function(){
            $('#profile-tab').tab('show'); // Show the Profile tab
        });
    });
&lt;/script&gt;
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<li><strong>Explanation</strong>:
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<li><code>$('#profile-tab').tab('show')</code>: Uses JavaScript to display the Profile tab when the button is clicked.</li>
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<h3>3. Styling Active Tab</h3>
<p>To highlight the active tab, you can customize the <code>.active</code> class in CSS:</p>
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<pre class="language-markup"><code>.nav-tabs .nav-link.active {
    background-color: #007bff; /* Blue background */
    color: #fff; /* White text */
    border-color: #007bff #007bff #fff; /* Border color */
}
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<h3>&nbsp;</h3>
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