console.log performance

JavaScript performance comparison

Revision 4 of this test case created by

Preparation code 

<div id="container"></div>
      

      <script>

        Benchmark.prototype.setup = function() {

          
  var container = document.getElementById("container");
  
  function doSomethingAndWriteToLog() {
    for(var i = 0 ; i < 100000 ; i++) {
      var div = document.createElement("DIV");
      var span = document.createElement("SPAN");
      div.appendChild(span);
      container.appendChild(div);
      console.log(i);
    }
  }
  
  function justDoSomething() {
    for(var i = 0 ; i < 100000 ; i++) {
      var div = document.createElement("DIV");
      var span = document.createElement("SPAN");
      div.appendChild(span);
      container.appendChild(div);
    }
  }

        
  };
          



        Benchmark.prototype.teardown = function() {

          
  container.innerHTML = "";

        
  };

      
</script>

Preparation code output

<div id="container"></div>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
iterations with logging 
doSomethingAndWriteToLog();
 pending…
iterations without logging 
justDoSomething();
 pending…

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