Comment #55 on issue 3093 by [email protected]: Debugging promises
http://code.google.com/p/v8/issues/detail?id=3093
To document what we discussed:
#54 would be a feature request. Rejections are only treated the same as
throws wrt exception debug events. Wrt Javascript execution, they are
different: an uncaught throw interrupts execution, and a message is posted
to Chrome, which logs to console, even if devtools is off. An uncaught**
rejection/throw in a Promise doesn't interrupt execution, V8 carries on,
since that's what's expected. There is no pending exception and no pending
message, hence there is no message logged to console.
** uncaught in the sense that there is no rejection handler.
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