anticrisis@ALIEN51:~$ time echo 'console.log("hello world")' | node
hello world

real    0m0.352s
user    0m0.354s
sys     0m0.000s
anticrisis@ALIEN51:~$ time echo 'puts "hello world"' | tclsh
hello world

real    0m0.010s
user    0m0.009s
sys     0m0.001s
anticrisis@ALIEN51:~$