document.addEventListener('DOMContentLoaded', function() {
    var toggleButton = document.getElementById('toggleButton');
  
    chrome.tabs.query({ active: true, currentWindow: true }, function(tabs) {
      var tab = tabs[0];
      var url = tab.url;
  
      toggleButton.addEventListener('click', function() {
        chrome.tabs.update(tab.id, { url: 'chrome://flags/#enable-force-dark' });
      });
    });
  });