Answers for "how to make use of map function with object"

.map for object javscript

var myObject = { 'a': 1, 'b': 2, 'c': 3 };

Object.keys(myObject).map(function(key, index) {
  myObject[key] *= 2;
});

console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }

map array method create object

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

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