jquery/jquery-ui — pull request #513 by Y-Kamata (2011-11-02 06:49:23+00:00)
Title: memory leak ui.widget

Widget: modified _createWidget method and added __destroy method.
Fixed #7808 - ui.widget Memory (private bytes of IE process) increases when create and destroy of the simple widget are repeated.

master code memory leak test
http://jsfiddle.net/NzJGH/5/

my code memory leak test (fixed)
http://jsfiddle.net/yoshi6jp/NzJGH/11/