1var someObj = { foo: "bar"};
2
3$.each(someObj, function(propName, propVal) {
4  console.log(propName, propVal);
5});
6

1var agents = [
2               {
3                  "id": "007",
4                  "agent": "James Bond"
5               },                  
6               {
7                  "id": "006",
8                  "agent": "John Wick"
9               }
10             ]
11// iterate over the JSON array
12$.each(agents , function(index, item) { 
13    console.log("Agent Id: " + item.id);
14    console.log("Agent Name: " + item.agent);
15});

1$.map(mapArray, function(val, key) {
2  alert("Value is :" + val);
3  alert("key is :" + key);
4});