jQuery.post i dodatkowe parametry

gistfile1.js

var doSomething = function(extraStuff) {
    return function(data, textStatus) {
         //do something with extraStuff
    };
};
var clicked = function() {
    var extraStuff = { myParam1: 'foo', myParam2: 'bar' };
    $.post("someurl.php", someData, doSomething(extraStuff), "json");
};