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<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
let array = [{"_id":"111111111111111111111111",
                "zipcode": "17648sa",
                "country": "UAE",
                "state": "Dubai",
                "city": "testinf",
                "phoneNumber": "009715464888797",
                "address": "test, test-0989787192, 109283#",
                "userName": "alton pereira",
                "email": "alton@live.com"},
            {"_id":"22222222222222222222222",
                "zipcode": "17648sa",
                "country": "UAE",
                "state": "Dubai",
                "city": "testinf",
                "phoneNumber": "009715464888797",
                "address": "test, test-0989787192, 109283#",
                "userName": "alton pereira",
                "email": "alton@live.com"},
              {"_id":"333333333333",
                "zipcode": "17648sa",
                "country": "UAE",
                "state": "Dubai",
                "city": "testinf",
                "phoneNumber": "009715464888797",
                "address": "test, test-0989787192, 109283#",
                "userName": "alton pereira",
                "email": "alton@live.com"}

            ]


function swap(indexA,indexB){
  let a = array[indexA];
  let b = array[indexB];
   array[indexA] = b;
   array[indexB] = a;
 return array
}

let a = swap(1,2);

console.log(a)
</script>


</body>
</html>