local comp = require 'mmm.component' local div, button = comp.elements.div, comp.elements.button local count = comp.ReactiveVar(0) return div { button { '-', onclick = function () count:set(count:get() - 1) end }, " count is: ", count:map(comp.text), " ", button { '+', onclick = function () count:set(count:get() + 1) end }, }