title: first is not a function
body: <p>I am a noob in Jquery and I am playing around with the different selectors and functions right now. I am trying to do this</p>
  
  <pre><code>$('li').first();
  </code></pre>
  
  <p>on firefox console and I got </p>
  
  <pre><code>TypeError: $("li").first is not a function
  </code></pre>
  
  <p>when </p>
  
  <pre><code>$('li')
  </code></pre>
  
  <p>returns</p>
  
  <pre><code>Object { length=8, 0=li, 1=li, more...}
  </code></pre>
  
  <p>what am i doing wrong?</p>