Minimal IPython widget example

basic_widget

from IPython.html import widgets
from IPython.utils.traitlets import Unicode

class MyWidget(widgets.DOMWidget):
    _view_name = Unicode('MyWidget', sync=True)


%%javascript
require(["widgets/js/widget"], function(WidgetManager){ 
    var MyWidget = IPython.DOMWidgetView.extend({
        render: function(){ 
            this.$el.text('Hello World!'); 
        },
    });
    
    WidgetManager.register_widget_view('MyWidget', MyWidget);
});