jQuery: the find() method

by dshilkret

HTML

<p><button id="find">find()</button></p>

<ul class="level-1">
  <li class="item-i">I</li>
  <li class="item-ii">II
    <ul class="level-2">
      <li class="item-a">A</li>
      <li class="item-b">B
        <ul class="level-3">
          <li class="item-1">1</li>
          <li class="item-2">2</li>
          <li class="item-3">3</li>
        </ul>
      </li>
      <li class="item-c">C</li>
    </ul>
  </li>
  <li class="item-iii">III</li>
</ul>

CSS

.test {
    background: yellow;
}

JavaScript

$('#find').click(function() {
    $('ul.level-1')//.find('li:not([class$="i"])').addClass('test');
});