React Starter

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Last edited Jul 18, 2020

Created on Jul 18, 2020

A React starter example demonstrates interactive mouse tracking on an SVG canvas. The code uses React's `useState` and `useCallback` hooks to manage and update mouse position state, rendering a single circle that follows the cursor within a 960×500 viewport. The circle’s center coordinates update reactively on every `mousemove` event, triggered through an SVG `onMouseMove` handler. Built with React 16.13.1 and ReactDOM, it renders directly to the DOM using the `ReactDOM.render` API, with the SVG output specified via JSX.

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React Starter code.

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