In this article I will explain with an example, how to access complex nested JSON objects in AngularJS.
Complex nested JSON objects comprises of a JSON object array and each object of the JSON array consisting of another child JSON object array.
In such scenario, one has to make use of nested ng-repeat directive i.e. one ng-repeat directive inside another ng-repeat directive, this making a parent child ng-repeat directive hierarchy.
 
 
Accessing Complex Nested JSON objects in AngularJS
The below HTML Markup consists of an HTML DIV to which ng-app and ng-controller AngularJS directives have been assigned.
The HTML DIV consists of an HTML Button and Table which will be populated from JSON array using ng-repeat directive.
Note: If you want to learn more about these directives please refer my article Introduction to AngularJS.
 
The Button has been assigned ng-click directive. When the Button is clicked, the GenerateTable function of the Controller gets called.
Note: If you want to learn more about ng-click directive, please refer my article ng-click directive example.
 
Inside the GenerateTable function, an array of JSON objects is created and assigned to the Customers JSON array.
The ng-repeat directive as the name suggests repeats the element based on the length of the collection and in this scenario it will repeat the TR element (HTML Table Row).
The TBODY element of the HTML Table has been assigned ng-repeat directive in order to iterate through all the items of the Customers JSON array.
For each JSON object in the Customers JSON array, a TR element (HTML Table Row) is generated and appended into the HTML Table.
The last cell of the HTML Table Row consists of another nested HTML Table which will populate the Orders for each Customer.
The TBODY element of the nested HTML Table has been assigned ng-repeat directive in order to iterate through all the items of the Orders JSON array.
 For each JSON object in the Orders JSON array, a TR element (HTML Table Row) is generated and appended into the nested HTML Table.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
    <title></title>
</head>
<body>
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.9/angular.min.js"></script>
    <script type="text/javascript">
        var app = angular.module('MyApp', [])
        app.controller('MyController', function ($scope) {
            $scope.IsVisible = false;
            $scope.GenerateTable = function () {
                $scope.Customers = [
                {
                    CustomerId: 1, Name: "John Hammond", Country: "United States",
                    Orders: [
                        { OrderId: 10248, Freight: 32.38, ShipCountry: 'France' },
                        { OrderId: 10249, Freight: 12.43, ShipCountry: 'Japan' },
                        { OrderId: 10250, Freight: 66.35, ShipCountry: 'Russia' }
                   ]
                },
                {
                    CustomerId: 2, Name: "Mudassar Khan", Country: "India",
                    Orders: [
                        { OrderId: 10266, Freight: 77.0, ShipCountry: 'Argentina' },
                        { OrderId: 10267, Freight: 101.12, ShipCountry: 'Australia' },
                        { OrderId: 10268, Freight: 11.61, ShipCountry: 'Germany' }
                    ]
                },
                {
                    CustomerId: 3, Name: "Suzanne Mathews", Country: "France",
                    Orders: [{ OrderId: 10250, Freight: 65.83, ShipCountry: 'Brazil'} ]
                },
                {
                    CustomerId: 4, Name: "Robert Schidner", Country: "Russia",
                    Orders: [
                        { OrderId: 10233, Freight: 89.11, ShipCountry: 'Belgium' },
                        { OrderId: 10234, Freight: 51.30, ShipCountry: 'Canada' },
                        { OrderId: 10235, Freight: 46.11, ShipCountry: 'Austria' }
                    ]
                }
               ];
                $scope.IsVisible = true;
            };
        });
    </script>
    <div ng-app="MyApp" ng-controller="MyController">
        <input type="button" value="Generate Table" ng-click="GenerateTable()" />
        <hr />
        <table cellpadding="0" cellspacing="0" ng-show="IsVisible">
            <tr>
                <th>Customer Id</th>
                <th>Name</th>
                <th>Country</th>
                <th>Orders</th>
            </tr>
            <tbody ng-repeat="c in Customers">
                <tr>
                    <td>{{c.CustomerId}}</td>
                    <td>{{c.Name}}</td>
                    <td>{{c.Country}}</td>
                    <td>
                        <table cellpadding="0" cellspacing="0">
                            <tr>
                                <th>Order Id</th>
                                <th>Freight</th>
                                <th>ShipCountry</th>
                            </tr>
                            <tbody ng-repeat="o in c.Orders">
                            <tr>
                                <td>{{o.OrderId}}</td>
                                <td>{{o.Freight}}</td>
                                <td>{{o.ShipCountry}}</td>
                            </tr>
                            </tbody>
                        </table>
                    </td>
                </tr>
            </tbody>
        </table>
    </div>
</body>
</html>
 
 
Screenshot
Accessing Complex Nested JSON objects in AngularJS
 
 
Browser Compatibility

The above code has been tested in the following browsers.

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