Build a list that renders only the visible rows for huge datasets.
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ReactPerformanceVirtualization
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React solution
Complete solutionRun Playground
import React from 'react';
import VirtualList from './src/VirtualList';
const items = Array.from({ length: 10000 }, (_, i) => ({ id: i, label: `Row #${i + 1}` }));
export default function App() {
return (
<div style={{ fontFamily: 'sans-serif', padding: 20 }}>
<h1>Virtualized List Demo</h1>
<p style={{ color: '#666' }}>10,000 rows — only the visible ones are in the DOM.</p>
<VirtualList items={items} rowHeight={36} height={300} />
</div>
);
}05
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