1 Object.prototype.equals = function(obj) {
2 if (this == obj)
3 return true;
4 if (typeof(obj) == "undefined" || obj == null || typeof(obj) != "object")
5 return false;
6 var length = 0;
7 var length1 = 0;
8 for (var ele in this) {
9 length++;
10 }
11 for (var ele in obj) {
12 length1++;
13 }
14 if (length != length1)
15 return false;
16 if (obj.constructor == this.constructor) {
17 for (var ele in this) {
18 if (typeof(this[ele]) == "object") {
19 if (!this[ele].equals(obj[ele]))
20 return false;
21 } else if (typeof(this[ele]) == "function") {
22 if (!this[ele].toString().equals(obj[ele].toString()))
23 return false;
24 } else if (this[ele] != obj[ele])
25 return false;
26 }
27 return true;
28 }
29 return false;
30 };
31 var p1 = {
32 name: "jack",
33 age: 18
34 };
35 var p2 = {
36 name: "lucy",
37 age: 10
38 };
39 var p3 = {
40 name: "jack",
41 age: 18
42 };
43 console.log(p1.equals(p2)); //false
44 console.log(p1.equals(p3)); //true
45 console.log(p1.equals({
46 name: "jack",
47 age: 18
48 })); //true
