map specific properties from array in javascript code example

Example 1: how the map function works javascript

const array = [2, 5, 9];
let squares = array.map((num) => num * num);

console.log(array); // [2, 5, 9]
console.log(squares); // [4, 25, 81]

Example 2: javascript map

The map() method creates a new array with the results of calling a provided function on every element in the calling array.