how to get key of react element code example

Example: how to get property names from object using map method react

const arrayvals = [
   { Number: 1, newNumber: "1", name: "FB" },
    { Number: 3, newNumber: "2", name: "FB" },
     { Number: 7, newNumber: "5", name: "GK" },
      { Number: 8, newNumber: "4", name: "FW" }
]



function App() {
  return (
    <div className="App">
      <h1>Mapping object keys in react and returning child properties
</h1>
    {Object.entries(arrayvals).map((arr)=>{

        return <div>Number is : {arr[1].Number}  || NewNumber is : {arr[1].newNumber} ||  and Value is : {arr[1].name}</div>
    })}
    </div>
  );
}