jQuery - .filter() _02

by juErik

HTML

<ul>
  <li><strong>list</strong> item 1 -
    one strong tag</li>
  <li><strong>list</strong> item <strong>2</strong> -
    two <span>strong tags</span></li>
  <li>list item 3</li>
  <li>list item 4</li>
  <li>list item 5</li>
  <li>list item 6</li>
</ul>

JavaScript

/*  */

$('li').filter(function(index) {
  return $('strong', this).length == 1;
}).css('background-color', 'red');