https://news.ycombinator.com/item?id=6527104

langs-ranks.js

var foobar = function($x) {
    
var tb = $x('//body//table/tbody')[3]
var trs = $x('./tr', tb)
var scoreboard = [];
for (i = 0; i < trs.length; i += 6) {
    var lang = $x('.//font/text()', trs[i])[0].textContent.replace(' - Like', '');
    var getpoints = function(tr) { return $x('.//span[@id]/text()', tr)[0].textContent.replace(' points', '') }
    var upvotes = getpoints(trs[i+1]);
    var downvotes = getpoints(trs[i+4]);
    var ratio = upvotes / downvotes;
    scoreboard.push([lang, ratio]);
}

return scoreboard
    .sort(function(a, b) { return b[1] - a[1] })
    .map(function(x, i) { return "" + (i+1) + ". " + x[0] })
    .join('\n');
}