$ npm install soupselect

var select = require('soupselect').select;
// dom provided by htmlparser...
select(dom, "#main a.article").forEach(function(element) {//...});

var select = require('soupselect').select,
    htmlparser = require("htmlparser"),
    http = require('http');
// fetch some HTML...
var http = require('http');
var host = 'www.reddit.com';
var client = http.createClient(80, host);
var request = client.request('GET', '/',{'host': host});
request.on('response', function (response) {
    response.setEncoding('utf8');
    var body = "";
    response.on('data', function (chunk) {
        body = body + chunk;
    });
    response.on('end', function() {
        // now we have the whole body, parse it and select the nodes we want...
        var handler = new htmlparser.DefaultHandler(function(err, dom) {
            if (err) {
                console.error("Error: " + err);
            } else {
                // soupselect happening here...
                var titles = select(dom, 'a.title');
                sys.puts("Top stories from reddit");
                titles.forEach(function(title) {
                    sys.puts("- " + title.children[0].raw + " [" + title.attribs.href + "]\n");
                })
            }
        });
        var parser = new htmlparser.Parser(handler);
        parser.parseComplete(body);
    });
});
request.end();