NOFX Bob - bulknews.typepad.com

2009.02.18

NOFX Bob

NOFX Bob

2009/02/15 at Slim's

Feb 18, 2009 4:30:48 PM

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JSON, jQuery and some Unicode characters (U+2028) You have a web application that generates JSON dynamically from the data in your database, which probably comes from the cloud. Your data might have some weird strings, like U+2028 the Unicode LINE SEPARATOR character. When you use Perl's JSON::XS, or probably other JSON encoder modules as well, it gives you an UTF-8 JSON data like this: {"text":"Foo[\xe2\x80\xa8]Bar"} Note that this [\xe2\x80\xa8] stands for 3-byte strings that represent UTF-8 encoding of one character U+2028. I think this is a valid JSON UTF-8 representation, but since jQuery uses browser's built-in eval() function to parse JSON, this JSON data can't be parsed with Safari and Firefox. You can confirm that by pasting this to your Location bar. javascript:try{eval('({"text":"Foo\u2028Bar"})')} catch(e){alert(e)} This will give...

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