我目前在 Firebug 控制台上遇到以下错误：
attr(id) special check failed
jquery.lint.js (line 99)
More info:
Insted of accessing the property via attr(id), use undefined insted
Collection: [input.button Change✉]
Location:
@http://code.jquery.com/jquery-1.6.2.min.js:16 @http://www.antoineandstanley.com/js/admin.js:401
这意味着什么？