jquery.offspring.js: perform the same duty as children but includes free floating 'text' nodes

jquery.offspring.js

//perform the same duty as children but includes free floating 'text' nodes
jQuery.fn.extend({
   offspring: function() {
      return jQuery(
         jQuery.map( this, function(n){
            return jQuery.grep(n.childNodes, function(n) {
               return n.nodeType == 1 || n.nodeType == 3;
            });
         })
      );
   }
});