jQuery append vs html vs innerHTML list performance

JavaScript performance comparison

Revision 41 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">
<ul id="list">
<div id="myDiv">
Benchmark.prototype.setup = function() {
    var len = 20;

Benchmark.prototype.teardown = function() {

Preparation code output

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

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