Real life performance benchmark script

gistfile1.js

var o = {};
o.Foo = 'bar';
o.Baz = 42;
o.Blah = o.Foo + o.Baz;

function fib(n){
    if(n<2) { 
        return n; 
    }

    return fib(n-1) + fib(n-2);  
}

fib(3);