where to buy switch JB00A?

One assumes you are looking for a Window Switch - Nissan (25411-JB00A) - but you didn't bother to give ay meaningful details, just a partial part number.

https://ahparts.com/buy-used/2008-nissan-altima-power-control-front-passenger-window-switch-25411-jb00a-25411jb00a/212441-1

https://www.nissanpartsdeal.com/parts/nissan-switch-assy-pow~25411-jb00a.html

https://www.xportautoparts.com/oem-parts/nissan-window-switch-25411jb00a

There's loads more results I got with a simple search but I simply cant be arsed to do what you should be doing any more.

poksdf;lm
December 2018