node.js crypto algorithm comparision

cryptotest.js

var crypto = require('crypto');

function run(algo) {
  var hash = crypto.createHash(algo);
  hash.update('operation');
  hash.update('1');
  hash.update('A34');
  hash.update('ABS');

  return hash.digest('hex');
}

function loop(algo) {
  var start = new Date().getTime();
  for(var i=0; i<1000000; i++) {
    run(algo);
  }
  var end = new Date().getTime();
  return end-start;
}

console.log('md5',run('md5').length, loop('md5'));
console.log('sha1',run('sha1').length, loop('sha1'));
console.log('sha256',run('sha256').length, loop('sha256'));

/*
Output of sample run (times in millisecond)

md5 32 2810
sha1 40 2954
sha256 64 3311
*/