RESOLVED INVALID 31300
Error.prototype.message throws "Unknown error" 
https://bugs.webkit.org/show_bug.cgi?id=31300
Summary Error.prototype.message throws "Unknown error"
kangax
Reported 2009-11-10 09:15:08 PST
`Error.prototype.message` is specified to be an "implementation dependent string" (see 15.11.4.3 in ES3 specs). However, in webkit, even plain "message" property access on `Error.prototype` results in an error. I mentioned it in http://thinkweb2.com/projects/prototype/sputniktests-web-runner/#error-prototype-message among other failures.
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Alexey Proskuryakov
Comment 1 2009-11-10 22:28:26 PST
Do you have a test case? When I try "javascript:alert(Error.prototype.message)" in address bar, I get an "Unknown error" alert, which is definitely an example of implementation defined string.
kangax
Comment 2 2009-11-11 05:07:56 PST
Alexey, sorry for the confusion. I'm an idiot; somehow thought that it is an actual error being thrown. Now I see that `Error.prototype.message === "Unknown error"`.
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