title: extract particular data from json file
body: <p>I am new to using javascript as well as json. I need to extract certain sections from json for processing the data.</p>
  
  <pre><code>    "response": {
        "status": "OK",
        "code": 200,
        "header": [
          {
            "key": "Cache-Control",
            "value": "no-cache"
          },
          {
            "key": "Pragma",
            "value": "no-cache"
          },
   "body": "{\r\n  \"@odata.context\":\"http://localhost:53292/odata/$metadata#Movies\",\"value\":[\r\n    {\r\n      \"Id\":1,\"Title\":\"StarWars - The Force Awakens\",\"ReleaseDate\":\"2015-10-25T00:00:00+05:30\",\"Rating\":\"FiveStar\",\"Director\":{\r\n        \"FirstName\":\"J.J.\",\"LastName\":\"Abrams\"\r\n      },\"LastModifiedOn\":\"2016-09-30T10:46:33.3114027+05:30\"\r\n    },{\r\n      \"Id\":2,\"Title\":\"Mad Max - The Fury Road\",\"ReleaseDate\":\"2015-05-15T00:00:00+05:30\",\"Rating\":\"FourStar\",\"Director\":{\r\n        \"FirstName\":\"George\",\"LastName\":\"Miller\"\r\n      },\"LastModifiedOn\":\"2016-09-30T10:46:33.3114027+05:30\"\r\n    }\r\n  ]\r\n}",
        "cookie": [],
        "responseTime": 30,
        "responseSize": 583,
        "update": {},
        "reason": {},
        "text": {},
        "json": {},
        "mime": {},
        "dataURI": {},
        "size": {},
        "describe": {},
        "toObjectResolved": {},
        "toJSON": {},
        "meta": {}
      },
      "id": "5a3d3fb3-93a7-4555-b0d5-a4482d98b888"
    }
  </code></pre>
  
  <p>This is my json file. I need only 'body' from it.How to get this done using javascript? Please help me. </p>