title: How to find element with class on any depth using JQuery?
body: <p>I know that I have somewhere inside div on any depth ( maybe one or two or three, it changes over time ) with class="nested". How to find that element on any depth using JQuery ?</p>
  
  <p>I tried like </p>
  
  <p><code>var nest=$('#container_div').find('.nested');</code> but it doesn't work.</p>