Javascript plays

tmp.js

// Fake FAaaake
var src = '123121312322211112222';
var offset = 0;
function next() {
  var rtn = offset < src.length ? src[offset] : null;
  offset += 1;
  return rtn;
}

function score(l1) {
  var score = 0;
  for (var i = 0; i < l1.length; ++i) {
    if (l1[i] == 1) score += 0.25;
    if (l1[i] == 2) score += 0.5;
    if (l1[i] == 3) score += 1;
  }
  return score;
}

function handle_thing(item) {
  // [div, div, div]
  // $(item[0]).parent() { ... }
  if (item.length == 1) {
    console.log('1 items: ' + item);
  }
  else if (item.length == 2) {
    console.log('2 items: ' + item);
  }
  else if (item.length == 3) {
    console.log('3 items: ' + item);
  }
}

var list = [];
function doit(element) {
    var next_item = parseInt($(element).attr('data-emph'));

    // Add to the list
    var tmp = list.slice();
    tmp.push(next_item);

    // Score for the current list
    var value = score(tmp);

    // If we have a whole row?
    if (value == 1) {
      handle_thing(tmp);
      list = [];
      tmp = [];
    }
    else if (value > 1) {
      handle_thing(list);
      list = [next_item];
    }
    else {
      list.push(next_item);
    }
  }
}

$('.foo').each(function(i, element) {
  doit(element);
});