Promise vs Callback

JavaScript performance comparison

Revision 5 of this test case created by Mariusz Nowak

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var cb = function (deferred) {
    setTimeout(function() {
      deferred.resolve();
    }, 0)
  };
  
  var promise = function (deferred) {
    new Promise(function(resolve) {
      resolve('data');
    }).then(function () {
      setTimeout(function() {
         deferred.resolve();
      }, 0);
  });
  };

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Callback
// async test
cb(deferred);
pending…
Promise
// async test
promise(deferred);
pending…

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Revisions

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