Working with Nested Objects in JavaScript

by Jagadish Pulakhandam on 8/30/2012 1:31:49 PM
Rated 0 from 0 votes
Brief: Demonstrate on defining and accessing nested objects (from parent objects) in JavaScript
Posted to: Advanced JavaScript Programming/Development tutorials/videos- Object Oriented Programming
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Demonstrates the following:
  • How to create an anonymous (parent) object using JavaScript
  • How to create a nested object (in an already existing object) and assign a property name to it
  • How to access the properties of a nested object from parent object.
Source Code:

01.<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
03.<html>
04.<head>
05.    <title></title>
06.    <script type="text/javascript">
07.        //DEMO: nested objects
08. 
09.        var oEmp = {
10.            Empno:1001,
11.            Ename:"Jag",
12.            //an object inside "oEmp" - nested object
13.            Dept:{
14.                Deptno:10,
15.                Dname:"IT"
16.            }
17.        };
18. 
19.        //accessing property of nested object from parent object
20.        alert(oEmp.Ename + " works in " + oEmp.Dept.Dname);
21.    </script>
22.</head>
23.<body>
24. 
25.</body>
26.</html>


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