map array of objects js code example

Example 1: javascript create array of objects with map

var arr = [{
  id: 1,
  name: 'bill'
}, {
  id: 2,
  name: 'ted'
}]

var result = arr.map(person => ({ value: person.id, text: person.name }));
console.log(result)

Example 2: typescript map list to new list of objects

var result = arr.map(person => ({ value: person.id, text: person.name }));
console.log(result)

Example 3: 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]

Example 4: map method

var yourArray= yourArray.map(Number);