A few of the recent posts have mentioned using jQuery.pushStack to turn an array into a jQuery object and allow the use of end(). Is there any official documentation for it? I can figure out how to use it from the source code, but to me if it's not documented then it's not supported and may disappear in future releases. I hate to take that chance. Can one of the jQuery team tell me if it's part of the official jQuery interface and if so, add it to the Internals documentation?