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

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