title: Rename the keys in an object
body: <pre><code>var addObjectResponse = [{
      'SPO2': '222.00000',
      'VitalGroupID': 1152,
      'Temperature': 36.6666666666667,
      'DateTimeTaken': '/Date(1301494335000-0400)/',
      'UserID': 1,
      'Height': 182.88,
      'UserName': 'Admin',
      'BloodPressureDiastolic': 80,
      'Weight': 100909.090909091,
      'TemperatureMethod': 'Oral',
      'Resprate': 111,
      'HeartRate': 111,
      'BloodPressurePosition': 'Standing',
      'VitalSite': 'Popliteal',
      'VitalID': 1135,
      'Laterality': 'Right',
      'HeartRateRegularity': 'Regular',
      'HeadCircumference': '',
      'BloodPressureSystolic': 120,
      'CuffSize': 'XL',
  }];
  </code></pre>
  
  <p>How to rename the keys... like SPO2 into O2... there are such many objects in the array... </p>