[Javascript] key value Array

 There are two ways to add new properties to an object:

var obj = {
    key1: value1,
    key2: value2
};

Using dot notation:

obj.key3 = "value3";

Using square bracket notation:
obj["key3"] = "value3";

http://hangaebal.blogspot.kr/2014/06/javascript-key-value-array.html

http://stackoverflow.com/questions/1168807/how-can-i-add-a-key-value-pair-to-a-javascript-object-literal