루아, 루비, 파이썬, 자바스크립트.. 고민됩니다!!

function EventList(){
    this.list = [];
};
EventList.prototype.circuit = function(e) {
    for(var i = 0; i < this.list.length; i++) { //list 전체
        this.list[i].func(e); //값 주면서 실행
    }
};
EventList.prototype.Add = (추가..)
EventList.prototype.Remove = (제거..)
var mainEvents = new EventList();
var drawEvents = new EventList();
window.onload = function() {
    ~~canvas어쩌구
    ~~context저쩌구
    mainEvents.Add({
        tag : "main draw event",
        priority : 0,
        func : function(e) {
            drawEvents.circuit(context);
        }
    });
    setInterval(mainloop, 1/60);
};
function mainloop() {
    ~~getTime어쩌구저쩌구
    mainEvents.circuit(timeElapsed);
};
window.onkeydown = function(e) {
    if (e.keyCode != 88) return;
    var time = 10;
    var drawobj = {
        priority : 0,
        func : function(e) {
            ~~그림그리기..
        }
    };
    var test1 = {
        tag : "time out object",
        priority : 0,
        func : function(e) {
            time -= e;
            if (time <= 0) {
                mainEvents.Remove(this);
                drawEvents.Remove(drawobj);
            }
        }
    };
    mainEvents.Add(test1);
    drawEvents.Add(drawobj);
};