Javascript Json Parse by custom function

var jsonobj = '{"test" : "value1", "test2" : 3.44, "test3" : 0}';
var obj = JSON.parse(jsonobj, function(key, value) {
  if (typeof value == 'number') {
    if (value == 0)
      value = false;//from  w  ww.  j  a v a  2s  .  co m
    else if (value == 1) {
      value = true;
    }
  }
  return value;
});

console.log(obj.test3); // prints false