Structured clones

Mark S. Miller erights at
Wed Apr 10 07:27:18 PDT 2013

For those new to these lists, <>
may provide some context. The structured clone algorithm has changed since
then. But looking this over, I think most of these points are still
relevant. See also the rest of the thread starting at this message.

On Wed, Apr 10, 2013 at 2:45 AM, Anne van Kesteren <annevk at> wrote:

> The platform has the capability to make a structured clone of an
> object (and primitives):
> This is used for history traversal as well as passing data between
> global objects that cannot reach other synchronously (e.g. a document
> and worker environment).
> Should this capability become part of JavaScript? When new objects
> such as Map are defined or such an object is implemented by a
> JavaScript library they can then "automatically" participate in the
> structured clone fun.
> --
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