// Implement the identical functionality for filter and not
var winnow = function( elements, qualifier, keep ) {
if ( jQuery.isFunction( qualifier ) ) {
return jQuery.grep(elements, function( elem, i ) {
// Implement the identical functionality for filter and not
var winnow = function( elements, qualifier, keep ) {
if ( jQuery.isFunction( qualifier ) ) {
return jQuery.grep(elements, function( elem, i ) {