commentContainers = document.querySelectorAll('td.default')

firstCommentContainer = comments[0]

// Fetch depth=upvote.width/40
function getHtml(commentContainer) {
  // Doesn't work:
  nothing = commentContainer.querySelectorAll('span.comment')
  something = commentContainer.querySelectorAll('div.comment')
  console.log(nothing, 'vs', something)
}

console.log(getHtml(firstCommentContainer))