acesso-dom

JavaScript performance comparison

Test case created

Preparation code

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Teste Acesso ao DOM</title>
</head>
<body>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
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</body>
</html>

Preparation code output

Teste Acesso ao DOM

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
sem cache
 window.addEventListener("load", function() {
   for (var i = 0; i <= 100; i++) {
     document.getElementsByClassName("box")[0].innerHTML = i;
   }
 })
pending…
com cache
 window.addEventListener("load", function() {
   var meuBox = document.getElementsByClassName("box")[0]
   for (var i = 0; i <= 100; i++) {
     meuBox.innerHTML = i;
   }
 })
pending…

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