// If a popup
var post = document.getElementById('fbPhotoSnowliftFeedback');
var postCommentAuthor = post.getElementsByClassName('UFICommentActorName');

var names = '';
var namesLinks = '';

for (var i = 0; i < postCommentAuthor.length; i++) {
  names += postCommentAuthor[i].innerHTML + '\n';
}

for (var i = 0; i < postCommentAuthor.length; i++) {
  namesLinks += postCommentAuthor[i].innerHTML + '\n' + postCommentAuthor[i].href + '\n';
}

console.log(names);
console.log(namesLinks);

// ************************* //

// If a page
var post = document.getElementById('stream_pagelet');
var postCommentAuthor = post.getElementsByClassName('UFICommentActorName');

var names = '';
var namesLinks = '';

for (var i = 0; i < postCommentAuthor.length; i++) {
  names += postCommentAuthor[i].innerHTML + '\n';
}

for (var i = 0; i < postCommentAuthor.length; i++) {
  namesLinks += postCommentAuthor[i].innerHTML + '\n' + postCommentAuthor[i].href + '\n';
}

console.log(names);
console.log(namesLinks);

// ************************* //

// If a video popup
var post = post.getElementsByClassName('fbVideoChannelSidepaneDetailsFeedbackFormContainer');
var postCommentAuthor = post.getElementsByClassName('UFICommentActorName');

var names = '';
var namesLinks = '';

for (var i = 0; i < postCommentAuthor.length; i++) {
  names += postCommentAuthor[i].innerHTML + '\n';
}

for (var i = 0; i < postCommentAuthor.length; i++) {
  namesLinks += postCommentAuthor[i].innerHTML + '\n' + postCommentAuthor[i].href + '\n';
}

console.log(names);
console.log(namesLinks);