##### Amara Evans

amara@example.com

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# Accordion

Accordions are powerful UI components that help organize and present complex information in collapsible sections. They enhance user experience by implementing progressive disclosure, allowing users to focus on specific content while reducing cognitive load. Accordions are particularly effective for FAQs, product details, settings panels, and any interface where space optimization is important.

### FAQ Accordion

Create developer-friendly FAQ sections with comprehensive answers and practical guidance. This example demonstrates real-world questions developers ask when implementing accordions, complete with setup instructions, customization options, and responsive design considerations.

FAQ Accordion with Developer Guidelines
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FAQ Accordion with Developer Guidelines
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### Interactive Accordion

Build dynamic accordions with JavaScript controls for programmatic manipulation. This example shows how to create open/close all functionality, individual panel controls, and integrate form elements within accordion panels for real admin interfaces.

Interactive Accordion with Controls
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Interactive Accordion with Controls
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### Product Features Showcase

Design compelling product feature presentations with rich content, visual elements, and structured information. Perfect for SaaS landing pages, e-commerce product details, or service descriptions where you need to present complex features in an organized manner.

Product Features Accordion
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Product Features Accordion
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### API Documentation

Create comprehensive API documentation with organized endpoints, parameters, and examples. This pattern is ideal for technical documentation where developers need quick access to different API methods while maintaining a clean, searchable interface.

API Documentation Accordion
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API Documentation Accordion
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### Admin Settings Panel

Build comprehensive admin interfaces with organized settings sections. This example shows how to structure configuration panels with form elements, validation alerts, and logical grouping of related settings for better user experience.

Admin Settings Accordion
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Admin Settings Accordion
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### Flush Style

The flush style accordion (`.accordion-flush`) removes borders and background colors, creating a minimalist appearance. This variant is ideal for clean, modern interfaces where the accordion needs to blend seamlessly with the surrounding design elements. The flush style reduces visual noise and works particularly well in content-focused layouts where the emphasis should be on the information rather than the UI components.

Flush Accordion Example
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Flush Accordion Example
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### Multi-Panel Support

This variant allows multiple panels to remain open simultaneously by omitting the `data-bs-parent` attribute. It's particularly useful for comparison scenarios or when users need to reference multiple sections at once. Each panel maintains its state independently, providing a more flexible user experience. This approach is ideal for complex interfaces where users need to view multiple pieces of information simultaneously.

Multi-Panel Accordion Example
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Multi-Panel Accordion Example
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### Custom Styled Accordion

Accordions can be customized with different colors, borders, and background styles to match your design system or to create visual hierarchy. This example demonstrates how to use utility classes to create custom-styled accordions with color-coded sections and integrated icons. Custom styling can help users quickly identify different categories of information or highlight important sections.

Custom Styled Accordion Example
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Custom Styled Accordion Example
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### Simple Accordion

The simple accordion offers a clean, collapsible layout with arrow indicators that guide users through expanding and collapsing sections.

Simple Accordion
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Simple Accordion
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### Accordion with Background

This accordion variant features a bordered background that visually separates each panel, enhancing readability and structure.

Accordion with Background Example
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Accordion with Background Example
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### Accordion without Arrow

Designed for minimal interfaces, the accordion without arrow removes toggle icons while retaining full expand-and-collapse functionality.

Accordion without Arrow Example
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Accordion without Arrow Example
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### Accordion with Icon

Each section in the icon-enhanced accordion includes a relevant icon beside the title, adding visual context to the content within.

Accordion with Icon Example
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Accordion with Icon Example
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### Accordion with Indicator

Designed for intuitive interaction, the accordion with indicator replaces traditional arrows with plus and minus icons that reflect the open or closed state of each section.

Accordion with Indicator
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Accordion with Indicator
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### Developer Tips & Best Practices

#### Pro Tips for Accordions

- Accessibility: Always include proper ARIA attributes (`role`, `aria-expanded`, `aria-controls`)
- Performance: Use `data-bs-parent` for single-open behavior to manage memory efficiently
- UX: Keep accordion headers descriptive and scannable for quick content identification
- Responsive: Test touch interactions on mobile - ensure adequate tap target sizes
- Content: Structure content logically within panels, use headings and lists for better organization
- Animation: Customize collapse transitions with CSS for smoother user experience

#### Common Pitfalls to Avoid

- Don't nest accordions deeply - it creates confusing navigation
- Avoid having too many panels (>7) without search/filter functionality
- Don't use accordions for critical information that should be immediately visible
- Never hide essential navigation or call-to-action buttons inside collapsed panels
- Don't forget to handle keyboard navigation (Enter/Space to toggle, Arrow keys to navigate)

#### JavaScript Integration Example

Here's a reusable accordion manager class for your projects:

    class AccordionManager {
      constructor(accordionId) {
        this.accordion = document.getElementById(accordionId);
        this.items = this.accordion.querySelectorAll('.accordion-collapse');
        this.buttons = this.accordion.querySelectorAll('.accordion-button');
      }

      openAll() {
        this.items.forEach((item, index) => {
          if (!item.classList.contains('show')) {
            new bootstrap.Collapse(item, { show: true });
            this.buttons[index].classList.remove('collapsed');
            this.buttons[index].setAttribute('aria-expanded', 'true');
          }
        });
      }

      closeAll() {
        this.items.forEach((item, index) => {
          if (item.classList.contains('show')) {
            new bootstrap.Collapse(item, { hide: true });
            this.buttons[index].classList.add('collapsed');
            this.buttons[index].setAttribute('aria-expanded', 'false');
          }
        });
      }

      toggle(index) {
        const item = this.items[index];
        const button = this.buttons[index];
        if (item && button) {
          new bootstrap.Collapse(item, { toggle: true });
          button.classList.toggle('collapsed');
          button.setAttribute('aria-expanded',
            !button.classList.contains('collapsed'));
        }
      }
    }

`ESC`

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