if ( jQuery.isArray( selectors ) ) {
var ret = [], cur = this[0], selector;
- if ( cur ) {
+ if ( cur && selectors.length ) {
for ( var i = 0, l = selectors.length; i < l; i++ ) {
selectors[i] = jQuery.expr.match.POS.test( selector ) ?
jQuery( selector, context || this.context ) :