feature detection …. it’s just to much work. why? ’cause it’s essentially a bunch of hacks since all browser vendors are abusing the UA string. So it’s mostly conditional for me, and then usually only for IE ’cause..
Anyway checkout this lovely article over @ webAIM by Aaron Andersen
..just my 2 cents about it
U seem to have:
taken from docs.jquery
MooTools has(h) build in feature detection actually