nth-child(Xn+Y) selector

nth-child(Xn+Y) selector

by Mingtao Sun

HTML

<ul id='ul1'>
  <li>1</li>
  <li>2</li>
  <li>3</li>
  <li>4</li>
  <li>5</li>
  <li>6</li>
  <li>7</li>
  <li>8</li>
  <li>9</li>
</ul>


<div id ='log'></div>

JavaScript

$(function() {
    var onlyChild = $('ul :nth-child(3n+1)');
    onlyChild.each(function(){
		    $('#log').append($(this).text()+ ' ');    
    });
});