what does FOO stands for?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/53609/what-does-foo-really-mean">What does &#39;foo&#39; really mean?</a>  </p>
</blockquote>



<p>I hope it is not the most stupid question ever.</p>

<p>Whenever I read about javascript, I see people use the word <strong>FOO</strong>.</p>

<p>Where does this word come from?</p>
