Javascript

1. $('.jq-sample span').on('click', function(e){
2.     $(".jq-sample .screen").append(jQuery.now() + '<br />');
3. });
4.  
5.  

HTML

1. <div class="jq-sample">
2.     <span class="cq-btn">NOW</span>
3.     <div class="screen"></div>
4. </div>