import panel as pn
pn.extension()

button = pn.widgets.Button(name='Click me', button_type='primary')
button

button.clicks

text = pn.widgets.TextInput(value='Ready')

def b(event):
    text.value = 'Clicked {0} times'.format(button.clicks)
    
button.on_click(b)
pn.Row(button, text)

backward = pn.widgets.Button(name='\u25c0', width=50)
forward = pn.widgets.Button(name='\u25b6', width=50)
search = pn.widgets.Button(name='🔍', width=100)

pn.Row(backward, forward, search)

pn.Column(*(pn.widgets.Button(name=p, button_type=p) for p in pn.widgets.Button.param.button_type.objects))

pn.Row(button.controls, button)