This is a build of microperl compiled with emscripten so it all runs in your browser. This is only really a proof of concept so far. print "Hello, #qa2013 from Perl $^V\n"; # This is adapted from https://github.com/peelle/Perl-Euler-Solutions/blob/master/2/solution.pl # I haven't yet made modules work, so rather than: # use List::Util qw(sum); # here is a simple sum function: sub sum { my $s = 0;