Re: Proposal: parent selectors

On Thu, Jan 21, 2010 at 5:48 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
>
> It's not just progressive rendering.  DOM mutations happen after the
> document has loaded.  On some sites, every 10ms, forever.  On other sites,
> thousands or tens of thousands at once.

When the DOM changes, the UA still has to rerender everything below
_and_ above the changed elements. Often, an element has to look at all
its descendant to determine things such as its dimensions; so I don't
think this would be TOO much of a hit, would it?

-- 
Giuseppe "Oblomov" Bilotta

Received on Thursday, 21 January 2010 17:12:23 UTC