Live Interactive Demo Model
Accordion & Multi-Collapse
A FAQ accordion allowing users to toggle single-active vs multi-active collapse with expand-all controls.
React creates a lightweight in-memory representation of the actual DOM. When state changes occur, React computes a diff between the previous and new virtual DOM trees, updating only the changed DOM nodes instead of recalculating the entire page layout.
const element = <h1>Hello React 19</h1>;Acceptance Criteria
Toggling between single string state and string array state
Animating height smoothly with Framer Motion AnimatePresence
Filtering FAQ categories and questions with live search
Target APIs & Concepts
Array State TogglingHeight TransitionsSearch Filtering
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