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React - onWheel example

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Dirask Community
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In this article, we would like to show you onWheel event in React.

In the example below, we create <div> element with a scrollbar. As we scroll the list inside the div with a mouse wheel, onWheel triggers handleOnWheel method which displays that list is being scrolled.

Runnable example:

// ONLINE-RUNNER:browser;

// Note: Uncomment import lines while working with JSX Compiler.
// import React from 'react';
// import ReactDOM from 'react-dom';

const appStyle = {
  width: '100px',
  height: '100px',
  overflow: 'scroll',
};

const handleOnWheel = () => {
  console.log('onWheel: scrolling the list...');
};

const App = () => {
  return (
    <div style={{ height: '100px' }}>
      <div style={appStyle} onWheel={handleOnWheel}>
        <ul>
          <li>List_item_1</li>
          <li>List_item_2</li>
          <li>List_item_3</li>
          <li>List_item_4</li>
          <li>List_item_5</li>
        </ul>
      </div>
    </div>
  );
};


const root = document.querySelector('#root');
ReactDOM.render(<App />, root );
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