[whatwg] Web DOM Core feedback

Simon Pieters simonp at opera.com
Fri Jan 14 00:54:35 PST 2011

On Thu, 13 Jan 2011 22:05:54 +0100, Aryeh Gregor  
<Simetrical+w3c at gmail.com> wrote:

> There are a bunch of places where it says "When invoked with the same
> argument the same NodeList object may be returned as returned by an
> earlier call."  Shouldn't this be either required or prohibited in any
> given case, not left undefined?

Implementors wanted to have a choice on whether to cache or not to  
maximize performance while not "leaking memory".

See thread starting at  

Simon Pieters
Opera Software

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