TDgx9S68

1var d = {
2    google: {
3        email: 'zurb @gmail.com',
4        name: 'k-pop Dorama',
5        token: 'ya2XObIhOB63qjwlw',
6        id: '11971093321'
7    },
8    twitter: {
9        displayName: 'Smart as a Genius',
10        id: '47252187865',
11        name: 'Paul Peter',
12        token: '47252ijoGYJ40bFAKvX'
13    },
14    facebook: {
15        email: '',
16        id: '1112961258784387',
17        name: 'Tomash Khamlai',
18        token: 'ERUTT8xK2oE7ZD'
19    }
20}
21	
22var f = ["name", "email"];
23	
24function iterate(data, fields) {
25    var response = Object.create({}, "");
26    var property;
27    for (property in data) {
28        if (data.hasOwnProperty(property)) {
29            if (typeof data[property] === "object")
30                iterate(data[property], fields);
31            else {
32                fields.forEach(function(element) {
33                    if (property === element) {
34                        if (data[property] !== "") {
35                            if (!response[element]) {
36                                response[element] = [];
37                                response[element].push(data[property]);
38                            } else {
39                                response[element].push(data[property]);;
40                            }
41                        }
42                    }
43                });
44            }
45        }
46    }
47}
48
49iterate(d, f);
50	
51console.log(response);
52
53{ name: ["k-pop Dorama", "Paul Peter", "Tomash Khamlai"], email: ["zurb@gmail.com"] }