innerHTML vs createElement test

JavaScript performance comparison

Revision 18 of this test case created

Info

try documentFragment

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="container"></div>
<script>
Benchmark.prototype.teardown = function() {
    document.getElementById('container').innerHTML = '';
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
innerHTML, string concat
var innerHTMLstr = '<div>';
for (var i = 0; i < 100; i++) {
  innerHTMLstr += '<div><span>' + i + '</span></div>';
}
innerHTMLstr += '</div>';

document.getElementById('container').innerHTML = innerHTMLstr;
pending…
innerHTML, Array.join()
var innerHTMLarray = ['<div>'];
for (var i = 0; i < 100; i++) {
  innerHTMLarray.push('<div><span>', i, '</span></div>');
}
innerHTMLarray.push('</div>');

document.getElementById('container').innerHTML = innerHTMLarray.join('');
pending…
createElement, bulk add
var container = document.getElementById('container');
var outerdiv = document.createElement('div');

for (var i = 0; i < 100; i++) {
  var div = document.createElement('div');
  var span = document.createElement('span');

  span.textContent = i;
  div.appendChild(span);
  outerdiv.appendChild(div);

}

container.appendChild(outerdiv);
pending…
insertAdjacentHTML
var innerHTMLstr = '<div>';
for (var i = 0; i < 100; i++) {
  innerHTMLstr += '<div><span>' + i + '</span></div>';
}
innerHTMLstr += '</div>';

document.getElementById('container').insertAdjacentHTML("afterbegin", innerHTMLstr);
pending…

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