Coffee Script vs. Javascript

gistfile1.txt

JAVASCRIPT
==========

client.send({
    otherClients: (function() {
        var _results = [];
        for (var _i = 0, c; c = clients[_i]; _i++) {
            if (c !== client) {
                _results.push(nameHash[c]);
            }
        }
        return _results;
    }
);

COFFEE SCRIPT
=============

client.send { otherClients: nameHash[c] for c in clients when c != client }