jQuery append vs html vs innerHTML list performance

JavaScript performance comparison

Revision 74 of this test case created

Info

Just a simple example showing the speed difference between populating a list with .append() & .html() and innerHTML

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<div id="list" style="display:none;height:0;overflow:hidden;">
<script>
Benchmark.prototype.setup = function() {
    var len = 10;
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jquery .append()
var html = '';

for (var i = 0; i < len; i++) {
  html += '<div>Test ' + i + '</div>';
}

$('#list').append(html);
pending…
jQuery .html()
var html = '';

for (var i = 0; i < len; i++) {
  html += '<div>Test ' + i + '</div>';
}

$('#list').html(html);
pending…
javascript innerHTML
var html = '';
var list = document.getElementById('list');

for (var i = 0; i < len; i++) {
  html += '<div>Test ' + i + '</div>';
}

list.innerHTML = html;
pending…

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