Expand/Collapse Widget Examples

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Our expand/collapse widget offers numerous advantages:

• Saves screen space by hiding content until needed
• Improves user experience with smooth animations
• Easy to implement and customize
• Works seamlessly across all modern browsers
• Fully responsive and mobile-friendly

Click the header again to collapse this section!

This widget is built using pure HTML, CSS, and vanilla JavaScript. No external libraries required!

Key Technologies:

• HTML5 for semantic structure
• CSS3 for styling and animations
• JavaScript for interactive functionality
• Flexbox for layout alignment
• CSS transitions for smooth effects

The implementation uses classes to control visibility and applies smooth transitions for a polished user experience.

Using this expand/collapse widget is incredibly simple:

1. Wrap your widget in a div with class "example"
2. Create a header element with an onclick handler
3. Add a div with class "details" for the collapsible content
4. Click the header to toggle visibility

That's all there is to it! The JavaScript function handles the rest automatically.