Remove a window's children

app.js

var win = Ti.UI.createWindow({
	backgroundColor: 'white'
});

var view1 = Ti.UI.createView({
	backgroundColor: 'red',
	height: 100,
	width: 50,
	top: 20,
	left: 20,
	isTitle: true
});
var view2 = Ti.UI.createView({
	backgroundColor: 'green',
	height: 100,
	width: 50,
	top: 20,
	left: 90
});
var view3 = Ti.UI.createView({
	backgroundColor: 'blue',
	height: 100,
	width: 50,
	top: 20,
	left: 160,
	isTitle: true
});

var button = Ti.UI.createButton({
	title: 'Open',
	height: 60,
	width: 200,
	bottom: 20
});
button.addEventListener('click', function(e){
	var children = win.children;
	var length = children.length;
	// alert('win has ' +length+ ' children');
	for(var i = 0; i<length; i++){
		Ti.API.info("i: "+i+" children[i].isTitle: "+children[i].isTitle);
		if (children[i].isTitle) {
			win.remove(children[i]);	
		}
	}
});

win.add(view1);
win.add(view2);
win.add(view3);
win.add(button);
win.open();