hacker news user filter

gistfile1.js

var users = {
  "friend" : 1,
  "foe" : 0
};

$("<style type='text/css'>span.djs-highlight { font-weight: bold; }</style>").appendTo("head");

function traverseFromUserLink(el) {
  return $(el).closest('td').find('span.comment');
}

function hideIt(userLink) {
  traverseFromUserLink(userLink).html("[blah blah blah blah]");
}

function highlightIt(userLink) {
  traverseFromUserLink(userLink).addClass("djs-highlight");
}

$('span.comhead a[href^="user?id="]').each(function(index, userLink){
  var user = $(userLink).text();
  if (users[user] === 0) {
    hideIt(userLink);
  } else if (users[user] === 1) {
    highlightIt(userLink);
  }
});