- if ( this.length === 1 && !/,/.test(selector) ) {
- var ret = this.pushStack( [], "find", selector );
- ret.length = 0;
- jQuery.find( selector, this[0], ret );
- return ret;
- } else {
- var elems = jQuery.map(this, function(elem){
- return jQuery.find( selector, elem );
- });
-
- return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
- jQuery.unique( elems ) :
- elems, "find", selector );
+ var ret = this.pushStack( "", "find", selector ), length = 0,
+ splice = Array.prototype.splice;
+
+ for ( var i = 0, l = this.length; i < l; i++ ) {
+ length = ret.length;
+ jQuery.find( selector, this[i], ret );
+
+ if ( i > 0 ) {
+ // Make sure that the results are unique
+ for ( var n = length; n < ret.length; n++ ) {
+ for ( var r = 0; r < length; r++ ) {
+ if ( ret[r] === ret[n] ) {
+ splice.call(ret, n--, 1);
+ break;
+ }
+ }
+ }
+ }