From jQuery JavaScript Library

Work in progress.

• Map Selector Methods to Selectors

 $("div.parents(li)") equiv. to $("div").parents("li")

This would work for plugins as well.

• Inline OR selectors

 $("div > (h1, h2)")

• Native Event Delegation

 $("table").delegate("click", "td", function(){
   $(this).addClass("active");
 });

Probably just a wholesale import of Joern's delegate plugin

• Internal Selector State Tracking

 $("div").parents("li").children().gt(1).selector
   == "div.parents(li).children().gt(1)"

• All for binding a catch-all event

 $("div").bind("*", function(){})

• Make $(Object), $(Array), $(arguments) officially supported

 $(someObject).bind("event", ...);
 $(someArray).each(...)
 $(someArray).grep(...)
 $(arguments).each(...)

• Make .show() set .visibility = 'visible' (in addition to toggling display)

• Protect against external Object.prototype/Array.prototype modifications

• LiveQuery - May still be too costly - but should be strongly considered. Also, event delegation may remove the need for much of it.

• .bind("cssready") - Make waiting for all stylesheets to load a separate event (distinct from DOM ready).

• Remove all unnecessary uses of jQuery.browser

• Remove strict warnings [1]