Promise vs Callback

JavaScript performance comparison

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Callback
// async test
var d = deferred;

var test = function(data) {
  d.resolve()
};

function getData() {
  return function(callback) {
    setTimeout(function() {
      callback('data')
    }, 0);
  }
}

getData()(test)
pending…
Promise
// async test
var d = deferred;

var test = function(data) {
  d.resolve()
};

function getData() {
  return new Promise(function(resolve) {
    setTimeout(function() {
      resolve('data')
    }, 0);
  })
}

getData().then(test)
pending…

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