On Fri, Jul 8, 2011 at 6:55 AM, Sean Hogan <shogu...@westnet.com.au> wrote: > On 8/07/11 10:21 PM, Sean Hogan wrote: >> - ARIA support in JS libs currently involves updating aria-attributes to >> be appropriate to behavior the lib is implementing. Attribute mutation >> listeners would allow an inverse approach - behaviors being triggered off >> changes to aria-attributes. > > As has been mentioned, listening for attribute mutations is horrendously > inefficient because your handler has to receive every mutation, even if only > interested in one attribute.
This is a limitation of current mutation events. We don't have to repeat this mistake. Allowing a script to listen for changes to a specific attribute is a big low-hanging fruit. ~TJ