DOM vs innerHTML (v25)

Revision 25 of this benchmark created on

Preparation HTML

<div id='sample'>
  <h1 id='title'>Title</h1>
  <h2 id='subtitle'>by</h2>
  <div id='content'>
  </div>
</div>

Setup

var colors = ["red", "yellow", "green", "cyan", "blue", "magenta"];

Teardown


    var sample = document.getElementById('sample');
    sample.innerHTML = "<h1 id='title'>Title</h1><h2 id='subtitle'>by</h2><div id='content'></div>";

Test runner

Ready to run.

Testing in
TestOps/sec
DOM
var title = document.getElementById('title');
var subtitle = document.getElementById('subtitle');
var content = document.getElementById('content');

title.firstChild.nodeValue = "Colors";
subtitle.firstChild.nodeValue += " John Doe";

var list = document.createElement('ul');
for (var i = 0, l = colors.length; i < l; ++i) {
  var item = document.createElement('li');
  item.className = "item";
  item.appendChild(document.createTextNode(colors[i]));
  list.appendChild(item);
}

content.appendChild(list);
ready
innerHTML
var title = document.getElementById('title');
title.innerHTML = "Colors";

var subtitle = document.getElementById('subtitle');
subtitle.innerHTML += " John Doe";

var list = ["<ul>"];
for (var i = 0, l = colors.length; i < l; ++i) {
  list.push("<li class='item'>").push(colors[i]).push("</li>");
}
list.push("</ul>");

var content = document.getElementById('content');
content.innerHTML = list.join("");
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.