- const fbSDKVer = 'v15.0'
- const fbSDK = theme.messenger.enable ? `https://connect.facebook.net/${theme.facebook_comments.lang}/sdk/xfbml.customerchat.js#xfbml=1&version=${fbSDKVer}` : `https://connect.facebook.net/${theme.facebook_comments.lang}/sdk.js#xfbml=1&version=${fbSDKVer}`

script.
  function loadFBComment () {
    document.getElementById('fb-root') ? '' : document.body.insertAdjacentHTML('afterend', '<div id="fb-root"></div>')

    const themeNow = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light'
    const $fbComment = document.getElementsByClassName('fb-comments')[0]
    $fbComment.setAttribute('data-colorscheme',themeNow)
    $fbComment.setAttribute('data-href', '!{urlNoIndex(page.permalink)}')

    if (typeof FB === 'object') {
      FB.XFBML.parse(document.getElementsByClassName('post-meta-commentcount')[0])
      FB.XFBML.parse(document.getElementById('post-comment'))
    }
    else {
      let ele = document.createElement('script')
      ele.setAttribute('src','!{fbSDK}')
      ele.setAttribute('async', 'true')
      ele.setAttribute('defer', 'true')
      ele.setAttribute('crossorigin', 'anonymous')
      ele.setAttribute('id', 'facebook-jssdk')
      document.getElementById('fb-root').insertAdjacentElement('afterbegin',ele)
    }   
  }

  if ('!{theme.comments.use[0]}' === 'Facebook Comments' || !!{theme.comments.lazyload}) {
    if (!{theme.comments.lazyload}) btf.loadComment(document.querySelector('#post-comment .fb-comments'), loadFBComment)
    else loadFBComment()
  } else {
    function loadOtherComment () {
      loadFBComment()
    }
  }

