const potentialNumbers = [
  null,
  undefined,
  '',
  'x',
  1,
  1.0,
  '1',
  '  1',
  '1  ',
  '1.0',
  '1x',
  'x1',
  '1e3',
  '1.3e-4',
  '0x4',
  '0xFF',
  '032',
  '09',
  'NaN',
  NaN,
  '-10',
  '+3',
  Infinity,
  'Infinity',
];
const converters = {
  multiply: s => 1 * s,
  revMultiply: s => s * 1,
  parseInt: s => parseInt(s),
  parseInt10: s => parseInt(s, 10),
  Number: s => Number(s),
  parseFloat: s => parseFloat(s),
  unaryPlus: s => +s,
  floor: s => Math.floor(s),
  waves: s => ~~s,
};

const foo = (
   <table>
      <thead>
        <tr>
          <th>input</th>
          {Object.keys(converters).map(c => (
            <th>{c}</th>
          ))}
        </tr>
      </thead>
      <tbody>
        {potentialNumbers.map(pN => (
          <tr>
            <td>
              <tt>{JSON.stringify(pN)}</tt>
            </td>
            {Object.entries(converters).map(([k, v]) => (
              <td>{JSON.stringify(v(pN))}</td>
            ))}
          </tr>
        ))}
      </tbody>
    </table>
);