Example-event-click-react.js

import React from 'react';

class App extends React.Component {
  handleClick = (e, data) => {
    console.log(data);
  }

  render() {
    const data = 10;
    const data2 = 20;
    return(
      <div>
        <input type="checkbox" value={data} defaultChecked={false} onClick={((e) => this.handleClick(e, data))}/>
        <input type="checkbox" value={data2} defaultChecked={false} onClick={((e) => this.handleClick(e, data2))}/>
      </div>
    )
  }
}

export default App;