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]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]map()
The map() method creates a new array populated with the results of calling
a provided function on every element in the calling array.
const array1 = [1, 4, 9, 16];
// pass a function to map
const map1 = array1.map(x => x * 2);
console.log(map1);
// expected output: Array [2, 8, 18, 32]Copyright © 2021 Codeinu
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