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Re: cloneNode() and script execution

From: Jonas Sicking <jonas@sicking.cc>
Date: Sat, 17 Jan 2009 21:48:16 -0800
Message-ID: <63df84f0901172148n393a3ea1j40c47759385fb9b8@mail.gmail.com>
To: "Hallvord R. M. Steen" <hallvord@opera.com>
Cc: public-html@w3.org

On Sat, Jan 17, 2009 at 5:17 PM, Hallvord R. M. Steen
<hallvord@opera.com> wrote:
> Here is another issue for Ian to ponder while working on the script
> execution stuff:
> If you clone a script node and append the to the document, does it run?
> Browsers differ:
> cloneNode(true) - Opera no, Firefox no, Safari yes, IE fails
> cloneNode(false) - Opera yes, Firefox no, Safari yes, IE fails
> From my naturally biased point of view I think Opera makes more sense - a
> "deep" clone remembers that the script was already executed, a shallow
> doesn't because it doesn't clone the script code. I think any use cases one
> might think of for re-executing script clones are already much better
> handled by putting the code inside a function and doing a simple function
> call.

Seems weird to me the the deep argument affects anything other than if
children are cloned. It also seems to go against the DOM core spec.

Other than that I don't have strong opinion on if a clone should clone
the 'has executed' flag or not.

/ Jonas
Received on Sunday, 18 January 2009 05:48:50 UTC

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