TIMOB-23584.js

var win = Ti.UI.createWindow({
    backgroundColor : "#fff",
    layout: "vertical"
}); 

// Existing text styles (>= iOS 7)
win.add(createLabel("Headline", Ti.UI.TEXT_STYLE_HEADLINE));
win.add(createLabel("Subheadline", Ti.UI.TEXT_STYLE_SUBHEADLINE));
win.add(createLabel("Body", Ti.UI.TEXT_STYLE_BODY));
win.add(createLabel("Footnote", Ti.UI.TEXT_STYLE_FOOTNOTE));
win.add(createLabel("Caption 1", Ti.UI.TEXT_STYLE_CAPTION1));
win.add(createLabel("Caption 2", Ti.UI.TEXT_STYLE_CAPTION2));

// New text styles (>= iOS 9)
win.add(createLabel("Callout", Ti.UI.TEXT_STYLE_CALLOUT));
win.add(createLabel("Title 1", Ti.UI.TEXT_STYLE_TITLE1));
win.add(createLabel("Title 2", Ti.UI.TEXT_STYLE_TITLE2));
win.add(createLabel("Title 3", Ti.UI.TEXT_STYLE_TITLE3));

win.open();

function createLabel(text, textStyle) {
    return Ti.UI.createLabel({
        top: 20,
        left: 20,
        font: {
            textStyle: textStyle
        },
        text: text
    });
}