not sure about fedora, but the displayed version by the js-command is very odd (read: not correct) on my systems (os x). I would not rely on that information.
On 29.06.2010, at 15:32, Wendall Cada wrote: > While doing some preliminary research on building a couchdb rpm, I discovered > that Fedora/Centos/RedHat couchdb rpms are built against js-devel-0.70. > > As can be seen here: > $ js -v > JavaScript-C 1.7.0 2007-10-03 > > I am quite shocked that it is being built against something so ancient. > xulrunner-devel is at 1.9.2.4 on my fc13 workstation. > > The question is, how much of a performance hit is there using this very old > and outdated js lib? > > Wendall
