Punch all little siblings

by Brenton Strine

HTML

<div>
    <div class="firstborn"></div>
</div>

<div>
    <div class="firstborn"></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
</div>
punched little siblings are blue

CSS

div { padding:5px; margin:5px; border: solid 1px #ccc;}
.punched { border-color: black; background: blue;}

JavaScript

$(".firstborn").nextAll().each(function(){
    //alert("a little sibling!");
    $(this).addClass("punched");   
    
});