render() {
return (
  <div>
    {myArray.map((e)=>(
      <button onClick={console.log("oi")}>
      </button>
    ))}
  </div>
)}

render() {
  return (
    <div>
      {myArray.map(e => (
        <button onClick={() => console.log("oi")} />
      ))}
    </div>
  );
}

render() {
    return (
        <div>
          {myArray.map((e)=>(
            <button onClick={() =>console.log("oi")}>
            </button>
          ))}
       </div>
)}