Type check of function

JavaScript performance comparison

Test case created by Carlos Vázquez

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var functionConstructor = (function(){}).constructor,
      functionString = 'function',
      f = function(){};

};
</script>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Constructor
f.constructor === functionConstructor
pending…
Typeof
typeof f === functionString
pending…
Instanceof
f instanceof Function
pending…

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