javascript array map return object code example

Example 1: array map

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]

Example 2: map a property from array of objects javascript

var result = objArray.map(function(a) {return a.foo;});

Example 3: javascript map over new array

// With ES6, you can do this:

[...Array(10)].map((a, b) => a)