Checking a Callback

JavaScript performance comparison

Test case created by Todd Henderson

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Empty function
(function(callback) {
  var _callback = callback || function(results, err) {};
  _callback();
})();
pending…
if (Object.prototype.toString.call(callback)
(function(callback) {
  if (typeof calback !== "undefined" && Object.prototype.toString.call(callback) == '[object Function]') {
    callback();
  }
})();
pending…
typeof calback
(function(callback) {
  if (typeof calback !== "undefined") {
    callback();
  }
})();
pending…

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