how do add to a key value to javascript object
<p>I am trying to learn JS.  It seems simple but I am not sure how to do this.</p>

<p>having this javascript object based on this good 
<a href="http://stackoverflow.com/questions/688097/objects-vs-arrays-in-javascript-for-key-value-pairs">thread</a></p>

<pre>var people = {
  1: { name: 'Joe' },
  2: { name: 'Sam' },
  3: { name: 'Eve' }
};
</pre>

<p>How do I add the following value <pre>4: { name: 'John' }</pre></p>

<p>To get name Eve I write</p>

<pre> people["1"].name</pre>
