<!DOCTYPE html>
<script src="../include.js"></script>
<script>
    const bufferedMessages = [];
    function printlnBuffered(message) {
        bufferedMessages.push(message);
    }

    function synchronousWaitMicroseconds(microseconds) {
        var start = performance.now() * 1000,
            now = start;
        while (now - start < microseconds) {
            now = performance.now() * 1000;
        }
    }

    const globalObserver = new PerformanceObserver((list, observer) => {
        printlnBuffere