keyboard.js

function keyboardManager() {
  // Detect when an element with tabindex 3 receives focus
  $("[tabindex=6]").on("focus", function() {
    // Set a delay to move the focus to the element with tabindex 1 after the current event loop
    setTimeout(function() {
      $("[tabindex=1]").focus();
    }, 0);
  });

  document.addEventListener('keydown', function(event) {
    const isOnNotepadTextarea = $(document.activeElement).is('#popup_note_textarea');

    if (event.key === 'Tab') {
      if (!isOnNotepadTextarea) {
        const fromAddressBar = !event.target.matches('body, html, input, button, textarea, select, .main_menu_link');
        if (fromAddressBar) {
          event.preventDefault();
          $("[tabindex=1]").focus();
        }
      } else {
        event.preventDefault();
        // Add your code to be executed when the cursor is on the notepad textarea
        // and the 'Tab' key is pressed
      }
    } else if (event.key === 'Escape') {
      $(':focus').blur();
      $('.tabChiDeck').hide();
    }
  });
}