hide-slashdot-anonymous-coward-comments

// ==UserScript==
// @name          Nuke anonymous cowards
// @description   Since people post so offensively so often, let's just hide the anons
// @include       http://slashdot.org/*
// @include       http://*.slashdot.org/*
// @include       https://slashdot.org/*
// @include       https://*.slashdot.org/*
// @grant         none
// ==/UserScript==


/************************************************
 *  Stash some info about comments
 ************************************************/
var arrayOfCommentDivs = [];
var toRemoveComment = [];
var toRemoveReplyButtons = [];

/************************************************
 *  Fetch the list of anonymous posters
 ************************************************/
var elements = document.getElementsByClassName("by");
for(var i = 0; i < elements.length; i++) {
  var text = elements[i].innerHTML.toString();
  if(text.contains("Anonymous Coward")) {
    var theComment = elements[i].parentElement.parentElement.parentElement;
    arrayOfCommentDivs.push( theComment );
    toRemoveComment.push( theComment.getElementsByClassName("commentBody")[0] );
    toRemoveReplyButtons.push( theComment.getElementsByClassName("commentSub")[0] );
  }
}

/************************************************
 *  Act on the list of anonymous posters
 ************************************************/
for(var i = toRemoveComment.length - 1; i >= 0; i--) {
  toRemoveComment[i].style.display      = "none";
  toRemoveReplyButtons[i].style.display = "none";
  arrayOfCommentDivs[i].style.display   = "none";
  // do something more advanced if you wish  (arrayOfCommentDivs[i])
}