mouse
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A black circle follows the mouse cursor across a yellow canvas, with its position updating in real time based on the pointer's coordinates. The visualization demonstrates React state management through the `useState` and `useCallback` hooks, where mouse movement events trigger position updates. The SVG circle, defined with an initial radius of 30, is rendered using ReactDOM within an SVG container sized 960 by 500 pixels. The code leverages React 16.10.0 and D3 v5, with the circle's `cx` and `cy` attributes bound directly to the tracked mouse position.
AI-generated descriptionA bare minimum HTML page demonstrating use of CSS and JavaScript.
See also React Starter.
MIT Licensed