PerformanceTests/Interactive/CopyAll.html

<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>

function startTest() {
    var iframe = document.querySelector('iframe');
    if (!iframe.contentDocument.queryCommandSupported('Copy')) {
        alert('execCommand("copy") is not supported.');
        if (window.testRunner)
            testRunner.notifyDone();
        return;
    }

    PerfTestRunner.measureTime({
        unit: 'ms',
        setup: function () {
            document.querySelector('iframe').contentDocument.execCommand('SelectAll');
        },
        run: function () {
            document.querySelector('iframe').contentDocument.execCommand('Copy');
        },
        done: function () {
            document.querySelector('iframe').parentNode.removeChild(iframe);
        }
    });
}

</script>
<iframe src="../Parser/resources/html5.html" onload="startTest()" width="800" height="600">
</body>
</html>