Mouse Follower
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A black circle on a white background follows the mouse cursor across an SVG canvas. The example illustrates React state management and event handling by updating the circle's center coordinates in response to every mouse move. The `App` component uses React's `useState` hook to track the cursor position and `useCallback` to define the move handler. React renders the SVG element, updating the `cx` and `cy` attributes reactively.
AI-generated descriptionSmiley face implementation with React.
MIT Licensed