jQuery append vs html vs innerHTML list performance

JavaScript performance comparison

Revision 51 of this test case created


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

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
<div id="list">
Benchmark.prototype.setup = function() {
    var len = 20;

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jquery .append()
for (var i = 0; i < len; i++) {
  var html = '<div>Test ' + i + '</div>';
jQuery .html()
for (var i = 0; i < len; i++) {
  var html = '<div>Test ' + i + '</div>';
javascript innerHTML
var list = document.getElementById('list');
for (var i = 0; i < len; i++) {
  list.innerHTML = list.innerHTML + '<div>Test ' + i + '</div>';

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