Browser Diet - DOM Manipulation

JavaScript performance comparison

Revision 5 of this test case created by Zeno Rocha

Preparation code

<div id="myList"></div>

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
DOM manipulation every iteration
for (var i = 0; i < 100; i++) {
  document.getElementById("myList").innerHTML += "<span>" + i + "</span>";
DOM manipulation after all iterations
var myList = "";

for (var i = 0; i < 100; i++) {
  myList += "<span>" + i + "</span>";

document.getElementById("myList").innerHTML = myList;

Compare results of other browsers


You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:


Comment form temporarily disabled.

Add a comment