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

From: Simon Pieters <simonp@opera.com>
Date: Wed, 23 Oct 2013 10:39:00 +0200
To: "Ryosuke Niwa" <rniwa@apple.com>, "Boris Zbarsky" <bzbarsky@mit.edu>
Message-ID: <op.w5efnatuidj3kv@simons-macbook-pro.local>
Cc: whatwg <whatwg@lists.whatwg.org>, Tim Streater <tim@clothears.org.uk>, Glenn Maynard <glenn@zewt.org>, "Tab Atkins Jr." <jackalmage@gmail.com>, Ian Hickson <ian@hixie.ch>
On Wed, 23 Oct 2013 05:45:12 +0200, Boris Zbarsky <bzbarsky@mit.edu> wrote:

> On 10/22/13 2:42 PM, Ryosuke Niwa wrote:
>> Because of HTMLCollection's name getter, all major browsers must be  
>> capable of a id+name lookup at every element (since Element has  
>> getElementsByTagName that returns a HTMLCollection).
>
> While true, in practice pretty much no one uses the name getter on that  
> object, so nothing right now forces browsers to implement it in a  
> particularly efficient (as opposed to simple) way.

Or maybe we could remove the name lookup thing altogether for  
Element.getElementsByTagName et al?

-- 
Simon Pieters
Opera Software
Received on Wednesday, 23 October 2013 08:39:30 UTC

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