jquery each find schleife

by Cheffchen

HTML

<div class="span4">xxx</div>
<div class="span4">xxx</div>
<div class="span4">xxx</div>
<div class="span4">xxx</div>
<div class="span4">xxx</div>
<div class="span4">xxx</div>

CSS

.gruppe1{color:blue}
.gruppe2{color:red}
.row-fluid {border:1px solid red}

JavaScript

$(function() {
  i=0;
  var gruppen = [];
    $('.span4').each(function(e){  
      if(e % 3 === 0){
        i=(i+1);
        gruppen.push('gruppe'+i);
      }
      $(this).addClass('gruppe'+i);  
    });
 
    for(var obj in gruppen){
    $('.'+gruppen[obj]).wrapAll('<div class="row-fluid" />');
    }    
});