rmultiselector = /,/,
isSimple = /^.[^:#\[\.,]*$/,
slice = Array.prototype.slice,
- POS = jQuery.expr.match.POS;
+ POS = jQuery.expr.match.POS,
+ // methods guaranteed to produce a unique set when starting from a unique set
+ guaranteedUnique = {
+ children: true,
+ contents: true,
+ next: true,
+ prev: true
+ };
jQuery.fn.extend({
find: function( selector ) {
}
}, function( name, fn ) {
jQuery.fn[ name ] = function( until, selector ) {
- var ret = jQuery.map( this, fn, until );
+ var ret = jQuery.map( this, fn, until ),
+ args = slice.call(arguments);
if ( !runtil.test( name ) ) {
selector = until;
ret = jQuery.filter( selector, ret );
}
- ret = this.length > 1 ? jQuery.unique( ret ) : ret;
+ ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
ret = ret.reverse();
}
- return this.pushStack( ret, name, slice.call(arguments).join(",") );
+ return this.pushStack( ret, name, args.join(",") );
};
});