Sytax bug

[lakhtionov@…]

jQuery has a problem dealing with the "+" character.

ex.

<input id="hello+2" value="wagon" />

alert($('#hello+2').val()); displays: undefined

alert(document.getElementById('hello+2').value); displays: wagon

[ajpiano]

Thanks for taking a moment to try to help the jQuery project, but this is not a valid bug. + is a selector (for adjacent siblings). As is stated in the selectors docs ( http://api.jquery.com/category/selectors/):

If you wish to use any of the meta-characters ( such as !"#$%&'()*+,./:;<=>?@[\]^{`{|}~ ) as a literal part of a name, you must escape the character with two backslashes:
. For example, if you have an element with id="foo.bar", you can use the selector $("#foo
.bar"). The W3C CSS specification contains the complete set of rules regarding valid CSS selectors.}

It works fine once you do the escaping:  http://jsfiddle.net/xvk3Z/

In the future please provide a test case and search the documentation before filing a bug.