content: import React from 'react'
  
  export default () => {
    return (
      <ul>
        {items()}
      </ul>
    )
  }
  
  const items = () => {
    var out = new Array(10000)
    for (let i = 0; i < out.length; i++) {
      out[i] = <li key={i}>This is row {i + 1}</li>
    }
    return out
  }
  