react array.map doesnt updte code example

Example 1: react arrays

const numbers = [1, 2, 3, 4, 5];
const listItems = numbers.map((number) =>  <li>{number}</li>);

Example 2: react arrays

const numbers = [1, 2, 3, 4, 5];
const doubled = numbers.map((number) => number * 2);console.log(doubled);