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Ticket #7081 (closed bug: wontfix)
whitespace-only selectors throw "Syntax error, unrecognized expression"
| Reported by: | Tomalak | Owned by: | |
|---|---|---|---|
| Priority: | low | Milestone: | 1.4.3 |
| Component: | selector | Version: | 1.4.2 |
| Keywords: | whitespace expression syntax | Cc: | |
| Blocking: | Blocked by: |
Description
$(" ") throws a syntax error. $("") does not.
The former case can happen when evaluating a HTML Ajax response, for example. When the the response data is passed to jQuery for evaluation it could happens to be a whitespace only string.
Trimming the string before passing it to jQuery fixes this. But realistically, the two variants should yield the same result - an empty jQuery object.
Change History
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Why should it be the same result? The first is an expression (albeit an invalid one) the second is no expression at all. I suspect that you may just want to trim the result in your application.