remover dupes from json object

gistfile1.txt

var data = {
    "name.test": "Peter",
    

    "name.test1": "Steve",
   

    "name.test2": "Steve",
   
}

var unique = {};
var duplicates = {};


Object.keys(data).forEach(function (key) {
  if (data[key] in unique) {
    duplicates[key] = data[key];
    delete data[key];
  } else {
    unique[data[key]] = data[key];
  }
});


console.log(duplicates);
console.log(data);