fineui/demo/js/base/button/demo.icon_button.js

Demo.Button = BI.inherit(BI.Widget, {
    props: {
        baseCls: "demo-button"
    },
    render: function () {
        var items = [
            {
                el: {
                    type: "bi.icon_button",
                    cls: "close-ha-font",
                    width: 25,
                    height: 25
                }
            }
        ];
        return {
            type: "bi.left",
            vgap: 200,
            hgap: 20,
            items: items
        };
    }
});
BI.shortcut("demo.icon_button", Demo.Button);