 id="hiddenInput" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"></textarea>

    <script>
      (function() {
        const canvas = document.getElementById('game');
        const ctx = canvas.getContext('2d');
        const hiddenInput = document.getElementById('hiddenInput');
        const startBtn = document.getElementById('startBtn');
        const pauseBtn = document.getElementById('pauseBtn');
        const scoreEl = document.getElementById('score');
        const levelE