jquery plugin to set the width of an element to the sum of it's children's width

jquery.matchWidth.js

$.fn.matchWidth = function(){
        // Prepare
        var $this = $(this);

        // Action
        $this.width(function(){
          var w = 0;
          $(this).children().each(function(){
            w += $(this).outerWidth(true);
          });
          return w;
        });

        // Chain
        return $this;
      };

Thanks for the gist! :)