innerHTML vs removeChild

JavaScript performance comparison

Revision 295 of this test case created by

Preparation code

<div id='box1'></div>
<div id='box2'></div>
      
<script>
Benchmark.prototype.setup = function() {
  var testPattern = '<span>hello<span style="background-color: #000000;">ttt</span></span>';
  var i, testString;
  for(i = 0; i < 1000; i++) {
    testString += testPattern;
  }
  
  var box1 = document.getElementById('box1');
  box1.innerHTML = testString;
  
  var box2 = document.getElementById('box2');
  var box3 = document.createElement("div");
  box3.innerHTML = testString;
  box2.appendChild(box3);

};
</script>

Preparation code output

<div id='box1'></div> <div id='box2'></div>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
removeChild
while (box1.firstChild) {
  box1.removeChild(box1.firstChild);
}
pending…
remove parent
box2.removeChild(box3);
pending…

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Revisions

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