 <p>If you will assign to the property of an object, which is not defined,it will create a new property and assign to it the value</p> <pre><code>possibility['status'] = { name : "lalala", text : "blabla" }; </code></pre> <p>or </p> <pre><code>possibility.status = { name : "lalala", text : "blabla" }; </code></pre>