JS Model Serialization from JSON

var JSONString = '[ { "a": "a", "b": "bb" }, { "a": "aa", "b": "bb" } ]';
var tempData = $parseJSON(JSONString);

var data = [];

for(int i = 0; i < tempData.length; i++){
    current = tempData[i];
    data.push(new Foo(current.a, current.b));
}