Events on buttons

app.js

var win = Ti.UI.createWindow();
var btn = Ti.UI.createButton({
    title: 'click me'
});
win.add(btn);
win.open();

btn.addEventListener('click', function () {
    Ti.API.info('First "click" event on the button fired!');
});
btn.addEventListener('click', function () {
    Ti.API.info('Second "click" event on the button fired!');
});
btn.addEventListener('click', function () {
    Ti.API.info('Third "click" event on the button fired!');
});
btn.addEventListener('click', function () {
    Ti.API.info('Fourth "click" event on the button fired!');
});