innerHTML vs removeChild vs jquery.empty

JavaScript performance comparison

Revision 110 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id='box'></div>
      
<script>
Benchmark.prototype.setup = function() {
  var box = document.getElementById('box');
  for (var i=0;i<1000;i++){
      var c   = document.createElement('div');
      c.textContent = 'siodfj'+Date.now();
      box.appendChild(c);
  }

};

Benchmark.prototype.teardown = function() {
  if (box.childNodes.length > 0) alert('child nodes not cleared!')

};
</script>

Preparation code output

<div id='box'></div>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
removeChild reversed
for (var i = box.childNodes.length - 1; i >= 0; i--) {
  box.removeChild(box.childNodes[i]);
}
pending…
innerHTML
box.innerHTML = '';
pending…
jQuery empty
$(box).empty()
pending…

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Revisions

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