- From: David Brownell <david-b@pacbell.net>
- Date: Wed, 01 Mar 2000 11:10:58 -0800
- To: keshlam@us.ibm.com
- Cc: www-dom@w3.org
keshlam@us.ibm.com wrote: > > >There're several other queries like this which could usefully > >be added and which might allow for similar optimizations: > >precedes in document order; is an ancestor of; least common > >ancestor; depth from root etc. > > Just a coding tip: > > If an optimized operation isn't supported directly in the DOM, consider > writing a library routine to encapsulte it. This could use custom calls > against DOM implementations that provide shortcuts, but fall back on > standard DOM operations for those which don't have such features. Or -- if the implementation supported the optional "we've got these graph-structure primitives" feature, it could use them without needing custom calls. L2 _is_ going to be very clear about how folk other than W3C can define new feature identifiers to pass to Node.hasFeature() isn't it? - Dave
Received on Wednesday, 1 March 2000 14:10:54 UTC