innerHTML vs removeChild vs jquery.empty

JavaScript performance comparison

Revision 201 of this test case created by Harald Glatt

Info

What method for emptying an element is faster?

Preparation code

<script src="http://code.jquery.com/jquery-2.1.1.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);
    }
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
removeChild[i]
for (var i = box.childNodes.length - 1; i >= 0; i--) {
  box.removeChild(box.childNodes[i]);
}
 
pending…
removeChild while hasChildNodes
while (box.hasChildNodes()) {
  box.removeChild(box.firstChild);
}
 
pending…
jQuery empty
$(box).empty()
pending…
innerHTML
box.innerHTML = '';
pending…
removeChild while firstChild
while (box.firstChild) {
  box.removeChild(box.firstChild);
}
 
pending…

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