小编Ank*_*dey的帖子

I am just starting with ReactJS and tried solutions of other questions similar to this but no luck so far.

Here is my working code :

import React from 'react';
import ReactDOM from 'react-dom';


const Numbers = ['2', '4', '6', '8'];

const NumbersList = (props) => (
   <ul>
      {
          props.Numbers.map (
             number => <li key={number}>{number * 2}</li>
          )
      }
    </ul>
)
ReactDOM.render(<NumbersList Numbers = {Numbers} />, document.getElementById('root') )

But when I am passing Numbers Array as :

const Numbers = …