map function on array of objects 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: functions in map javascript

const map = new Map();

function foo() {
 return "Hello World!"; 
}

map.set("foo", foo);

console.log(map.get("foo")()); // Output: "Hello World!

Example 3: map a property from array of objects javascript

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