#fb-root
script.
  function loadFBComment () {
    var themeNow = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light'
    document.getElementsByClassName('fb-comments')[0].setAttribute('data-colorscheme',themeNow)

    if (typeof FB === 'object') FB.XFBML.parse()
    else {
      let ele = document.createElement('script')
      ele.setAttribute('src','https://connect.facebook.net/!{theme.facebook_comments.lang}/sdk.js#xfbml=1&version=v7.0')
      ele.setAttribute('async', 'true')
      ele.setAttribute('defer', 'true')
      ele.setAttribute('crossorigin', 'anonymous')
      document.getElementById('fb-root').insertAdjacentElement('afterbegin',ele)
    }   
  }

  if ('!{defaultComment}' === 'Facebook Comments' || !{theme.comments.load_begin}) {
    document.getElementsByClassName('fb-comments').length && loadFBComment()
    !{theme.pjax} && document.addEventListener('pjax:complete', () => 
      document.getElementsByClassName('fb-comments').length && loadFBComment()
    )
  }
  else {
    function loadOtherComment () {
      loadFBComment()
    }
  }