<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=869040 --> <head> <meta charset="utf-8"> <title>Test for Bug 869040</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=869040">Mozilla Bug 869040</a> <p id="display"></p> <div id="content" style="display: none" data-foo="present1" data-bar="present2"> </div> <pre id="test"> </pre> <script type="application/javascript"> /** Test for Bug 869040 **/ var foo = "default1"; var dataset = $("content").dataset; for (var i = 0; i < 100000; ++i) foo = dataset.foo; var bar = "default2"; for (var j = 0; j < 100; ++j) bar = dataset.bar; is(foo, "present1", "Our IC should work"); is(bar, "present2", "Our non-IC case should work"); </script> </body> </html>