jquery/api.jquery.com — pull request #596 by ianjmacintosh (2014-11-21 16:36:41+00:00)
Title: jQuery.ajax(): Add undocumented statusText 'nocontent'

See https://github.com/jquery/jquery/blob/4e7f34f6296111f7f91d621397dfb02c6bf4c41f/src/ajax.js#L707