Expand/Collapse Widget Examples

Widget 1: About This Demo

Welcome!

This is an expand/collapse widget demonstration. Click on the header to toggle the visibility of the content.

The widget uses smooth transitions to create a pleasant user experience.

Widget 2: Features List

Key Features

  • Smooth animations
  • Easy to implement
  • Responsive design
  • Clean and modern appearance
  • Accessible markup
Widget 3: Technical Details

Implementation

This widget uses pure JavaScript with no dependencies. The expand/collapse functionality is achieved through:

  • CSS Transitions: Smooth height animations
  • JavaScript: Toggle class management
  • Semantic HTML: Proper structure with meaningful classes

The details class contains the collapsible content, while the example class wraps each complete widget.

Widget 4: Usage Instructions

How to Use

Simply click on any header to expand or collapse its content. You can have multiple widgets on the same page, and each operates independently.

The arrow icon rotates to indicate the current state of the widget, providing visual feedback to users.