No, it's not a bug, your selector is looking for an item of class "name"... so it's your selector that is the issue, not jQuery (your naming/id convention would also cause issues with CSS)...
If you insist on poor choices for naming your controls, it is still possible to select the items though http://docs.jquery.com/Frequently_Asked_Questions#How_do_I_select_an_element_that_has_weird_characters_in_its_ID.3F On May 26, 4:09 am, "weit...@263.net" <weit...@263.net> wrote: > when i use jquery get a input like > <input type="text" id="user.name" name="user.name"/> > > use $("#user.name") is error > > if input is > <input type="text" id="username" name="username"/> > use $("#username") is right > > is bug?