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How to access nested json objects in JavaScript?

JavascriptObject Oriented ProgrammingFront End Technology

Accessing nested json objects is just like accessing nested arrays. Nested objects are the objects that are inside an another object.

In the following example 'vehicles' is a object which is inside a main object called 'person'. Using dot notation the nested objects' property(car) is accessed.

Example-1

Live Demo

<html>
<body>
<script>
   var person = {
      "name":"Ram",
      "age":27,
      "vehicles": {
         "car":"limousine",
         "bike":"ktm-duke",
         "plane":"lufthansa"
      }
   }
   document.write("Mr Ram has a car called" + " " + person.vehicles.car);
</script>
</body>
</html>

Output

Mr Ram has a car called limousine

Example-2

In the following example, an object called "air-lines" is doubly nested (nested inside a nested object). The property of that doubly nested object(lufthansa) is accessed through dot notation as shown below.

Live Demo

<html>
<body>
<script>
   var person = {
      "name":"Ram",
      "age":27,
      "vehicles": {
         "car":"limousine",
         "bike":"ktm-duke",
         "airlines":{
            "lufthansa" : "Air123",
             "British airways" : "Brt707"
         }
      }
   }
   document.write("Mr Ram travels by plane called" + " " + person.vehicles.airlines.lufthanza);
</script>
</body>
</html>

Output

Mr Ram travels by plane called Air123
raja
vineeth.mariserla
Updated on 29-Jun-2020 11:42:50

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