When <code>getUsers()</code> resolves, the <code>getFirstTen</code> function is called with a list of users as its first argument. This function returns a list of ten items. <code>getUserNames</code> returns a list of names for the 10 items that were passed as the argument to it. Finally, the list of names is alerted.</p>
<p>In the original code above, it&#39;s very difficult to test the god function since you must make an HTTP request to run the code, and there&#39;s an <code>alert()</code> call at the end