title: how to compare keys of an array of objects and if it has same keys how to check the value is different in that and store it in an array
body: <p>First i have an array of objects and also another array that have same keys but different values for some some keys in the object.How to compare these two and get the keys and values of those changed ones.</p>
  
  <pre><code> [
              {
  
                  "Salutation": "Mr.",
                  "Name": "HD  ..",
                  "Dob": null,
                  "Gender": "M",
                  "MaritalStatus": "M",
                  "MobNo": null,
                  EmailId": "",
                  "Street": "H T PY",
                  "Area": "RECLAMATION ",
                  "HouseOFlat": "HOUSE",
                  "PinCode": "400"
              },
  
                  "Salutation": "Ms.",
                  "Name": "HF Ltd ..",
                  "Dob": null,
                  "Gender": "M",
                  "MaritalStatus": "M",
                  "MobNo": null,
                  EmailId": "                                                  ",
                  "Street": "H169 BACKBAY",
                  "Area": " ",
                  "HouseOFlat": "HOUSE",
                  "PinCode": "020"
  ]
  </code></pre>
  
  <p>this is my array also have another array with same keys</p>