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[Bug 10878] Structured clone algorithm should be updated to support Directed Acyclic Graphs

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Date: Thu, 30 Sep 2010 19:22:16 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1P1Ohs-0005kU-S8@jessica.w3.org>

--- Comment #2 from Jonas Sicking <jonas@sicking.cc> 2010-09-30 19:22:16 UTC ---
I don't think that this will cause any problems to Gecko. Structured cloning is
used very rarely so far, and I strongly suspect that most of the time people
use very simple objects that won't be affected by this change.

In fact, most of the time we use JSON behind the scenes, and so far no one has
noticed the difference. This is changing though, so we will be using a custom
structured-clone implementation soon.

The only requirement we have is that a structured-clone-able object can be
serialized and serialized both quickly and with little overhead. This is needed
for example in IndexedDB where we need to serialize the object to be able to
store it in the database for later retrieval. Similarly we need to serialize
and parse the object when passing data to workers.

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Received on Thursday, 30 September 2010 19:22:18 UTC

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