I do not believe that is a valid id... Yup, looks like that why. Perhaps you should try to make the id valid. If you are looking to have an id with a unique number, use an underscore instead of brackets.
via: http://stackoverflow.com/questions/70579/what-is-a-valid-value-for-id-attributes-in-html On Mar 12, 9:27 am, last_elf <chernik...@gmail.com> wrote: > Hello! > > I have some element (<input type="text" .. , or <td.. ) with id = > "ph_number[289]"; > > How can I pick it by ID ? > > $('#ph_number[289]') returns zero-sized object.