hn-flag.js

var oPosts = $('table td .title a');

oPosts.each(function(index, oPost){

var sTitle = oPost.innerHTML;
var oScoreRow = $(oPost).parent().parent().next();

var sVotes = oScoreRow.find('span')[0].innerHTML;
var sComments = oScoreRow.find('a')[1].innerHTML;

var numComments = parseInt(sComments.split(' '));
var numVotes = parseInt(sVotes.split(' '));

var score = numVotes/numComments;
//console.log(sTitle + ':::' + score);

if (score < 2) $(oPost).css('color', 'red');

});