[simple.js]
var i, a, b, c, max;

max = 1000000000;
var d = Date.now();

for (i = 0; i < max; i++) {
    a = 1234 + 5678 + i;
    b = 1234 * 5678 + i;
    c = 1234 / 2 + i;
}

console.log('NodeJS on docker :-) Beanchmark Result: ');
console.log((Date.now() - d) + ' ms to run.');

[Benchmark Results]

On windows: 
$ node simple.js
NodeJS on docker :-) Beanchmark Result:
1121 ms to run.

On Linux/Docker:
$ root@480ad96da98a:/home/docker/shared/shared# js simple.js
NodeJS on docker :-) Beanchmark Result:
2352 ms to run.