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Only V8 knows whether a failed property lookup should actually cause
a ReferenceError to be thrown. When evaluating a "typeof" expression,
for example, a ReferenceError should not be thrown even if the
expression involves global variables that don't exist, according to
the ECMA-262 specification.
QML should try to match the standard JavaScript behavior. This is
achieved by simply returning an empty value handle (to signify the
absence of the property), and leaving it to V8 to throw an exception
as appropriate.
Task-number: QTBUG-21864
Task-number: QTBUG-24448
Change-Id: I9945adcab98fc3b801371163367473d6af0ab31a
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>
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