Jquery Change text/html from a hidden div content

Easy way in Jquery Change text/html from a hidden div content

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<ul>
  <li id="foo">foo</li>
  <li id="bar">bar</li>
  <li id="foo">foo</li>
  <li id="bar">bar</li>
  <li id="foo">foo</li>
  <li id="bar">bar</li>
</ul>

JavaScript

$(document).ready(function(){

    $("li").get(0).text('Im here');

});