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Re: [whatwg] Proposal: Adding methods like getElementById and getElementsByTagName to DocumentFragments

From: Mikko Rantalainen <mikko.rantalainen@peda.net>
Date: Fri, 12 Jul 2013 09:28:48 +0300
Message-ID: <51DFA220.6020106@peda.net>
To: whatwg@lists.whatwg.org
Boris Zbarsky, 2013-07-03 17:50 (Europe/Helsinki):
> On 7/3/13 3:58 AM, Mikko Rantalainen wrote:
>> Boris Zbarsky, 2013-06-29 05:02 (Europe/Helsinki):
>>> On 6/28/13 6:51 PM, Tab Atkins Jr. wrote:
>>>> querySelector is simply a more powerful querying function than the old
>>>> DOM methods,
>>> And somewhat slower as a result, note.
>> I'd *guess* that that difference is meaningless compared to
>> walking the element tree or even doing hash lookup for the id
> You'd guess wrong, and I've got profiles to prove it.  ;)

OK. I stand corrected.

With the real world performance difference, I'd prefer that 
getElementsByTagName() and getElementById() were supported for 
fragments, too.


- Better optimized performance
- Making API more similar to Document


- Two extra methods in the namespace (however, nobody sane will
   use neither of the old method names for anything else so this
   can be ignored)

Received on Friday, 12 July 2013 06:29:22 UTC

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