llow the convention.
The second is that <code>params</code> is an object, and can only have one value associated with a key.
To put it in code, the following will <em>not</em> work properly:</p>
<div class="filename javascript"><div class="ribbon"></div><span>app/router.js</span><pre class="language-javascript line-numbers"><code class="javascript language-javascript">Router<span class="token punctuation">.</span><span class="token function">map</span><span class="token punctuation">(</span><span class="tok