Browser Diet - DOM Manipulation

JavaScript performance comparison

Revision 4 of this test case created by Zeno Rocha

Preparation code

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

Preparation code output

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Testing in unknown unknown
Test Ops/sec
DOM manipulation every iteration
var myList = "";

for (var i = 0; i < 100; i++) {
  myList.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;

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