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Clarify IDBRecord getters shall return the same object over multiple calls. Fixes #494. #495

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Clarify IDBRecord getters shall return the same object over multiple calls. Fixes #494. #495

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20 changes: 20 additions & 0 deletions index.bs
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Expand Up @@ -4301,10 +4301,30 @@ interface IDBRecord {

The <dfn attribute for=IDBRecord>key</dfn> getter steps are to return the result of [=/converting a key to a value=] with [=/this=]'s [=record snapshot/key=].

NOTE:
If {{IDBRecord/key}} returns an object (e.g. a {{Date}} or {{Array}}), it
returns the same object instance every time it is inspected. This means that if
the object is modified, those modifications will be seen by anyone inspecting
the value of the record. However modifying such an object does not modify the
contents of the database.

The <dfn attribute for=IDBRecord>primaryKey</dfn> getter steps are to return the result of [=/converting a key to a value=] with [=/this=]'s [=record snapshot/primary key=].

NOTE:
If {{IDBRecord/primaryKey}} returns an object (e.g. a {{Date}} or {{Array}}),
it returns the same object instance every time it is inspected. This means that
if the object is modified, those modifications will be seen by anyone
inspecting the value of the record. However modifying such an object does not
modify the contents of the database.

The <dfn attribute for=IDBRecord>value</dfn> getter steps are to return [=/this=]'s [=record snapshot/value=].

NOTE:
If {{IDBRecord/value}} returns an object (e.g. a {{Date}} or {{Array}}), it
returns the same object instance every time it is inspected. This means that if
the object is modified, those modifications will be seen by anyone inspecting
the value of the record. However modifying such an object does not modify the
contents of the database.

<!-- ============================================================ -->
## The {{IDBCursor}} interface ## {#cursor-interface}
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