Fibonacci/Array Benchmark Test (JavaScript)

fib.js

var fibonacci = function() {
  var i;
  var fib = [];
  fib[0] = 1;
  fib[1] = 1;
  for(i = 2; i <= 100; i++) {
    fib[i] = fib[i-2] + fib[i-1];
  }
  fib;
};

var fibExec = function(times) {
  var start = new Date().getTime();
  for (n = 0; n < times; n++) {
    fibonacci();
  }
  var duration = times + ": " + (new Date().getTime() - start);
  print(duration);
};

fibExec(1);
fibExec(10000);
fibExec(100000);