YouTube Ad-Skip Bookmarklet v3

/*
 * One-liner for use as button URL
 */
javascript:(( ) => { const v = document.querySelector('video'); if (v) { v.currentTime = v.duration; } const b = document.querySelector('button.ytp-ad-skip-button-modern'); if (b) { b.click(); } })();

/*
 * Expanded for readability
 */
javascript:(( ) => {
    const v = document.querySelector('video');
    if (v) { v.currentTime = v.duration; }

    const b = document.querySelector('button.ytp-ad-skip-button-modern');
    if (b) { b.click(); }
})();