Best way to get spidermonkey js on Ubuntu?

Question

I need to install the Spidermonkey JS engine on my work machine. The project I\'m working on has a jslint script that requires Spidermonkey or a similar js binary. I\'ve tri

Answer 1

Also, (via #2: spidermonkey-bin not availble in Ubuntu Lucid - Issues - hallettj/jslint.vim - GitHub), can use PPA for Launchpad Engineering : “Canonical Launchpad Engineering” team:

sudo add-apt-repository ppa:launchpad/ppa
sudo apt-get update
sudo apt-get install spidermonkey-bin
apt-cache show spidermonkey-bin
sudo apt-get install spidermonkey-bin # also installs extra: libmozjs2d

# .. and then: 
$ js --help
JavaScript-C 1.8.0 pre-release 1 2007-10-03
usage: js [-zKPswWxCij] [-t timeoutSeconds] [-c stackchunksize] [-o option] [-v version] [-f scriptfile] [-e script] [-S maxstacksize] [scriptfile] [scriptarg...]
$ js
js> var f = function(){ print("the answer is " + 42); }; 
js> f();
the answer is 42
js> ^C
$