There is a problem that can occur during form submission where the
onclick handler is never called and the form doesn't submit. It only
occurs on the iPhone and doesn't happen in OS X Safari. I've determined
that in (at least one) case where this problem is happening that the
onclick handler is not being called.
I've been working on this one on and off for months. I recently merged
three issues in the Issues DB that cover this issue: #80, #137, and #177.
http://code.google.com/p/iui/issues/detail?id=80
http://code.google.com/p/iui/issues/detail?id=137
http://code.google.com/p/iui/issues/detail?id=177
I added these two comments to Issue 80
Comment #8:
There is a reproducible test case in web-app/test/form-test.html
Navigate to the 'Post to target="_self"' item and then touch "Submit" --
the clickHandler never seems to be called
on the current iPhone or iPhone simulator
Until we have a fix, you can run this test case directly from the GAE
demo site:
http://iui-js.appspot.com/test/form-test.html
Comment #9:
After some painstaking debugging, I've determined that adding the
following attribute to the form element
seems to fix the problem:
onclick="(function(event) {return true;})()"
I"m not sure what the actual problem is here. It might be a bug in
Mobile Safari. Alternatively it is something
complicated in event processing. For whatever reason, the above
workaround seems to make the problem go
away. Maybe it will give someone a clue as to what the real problem is.
I post this to the list because I'm not sure who gets automatic updates
from the Issues DB and there may be others that may have run into this
problem. I'm anxious to see if this workaround helps anyone else or
even better may cause someone to come up with an even better solution.
-- Sean
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