Uatu

gistfile1.js

(function($) {
   var o = $( {} );

    $.each({
        trigger:    'publish',
        on:         'subscribe',
        off:        'unsubscribe'
    }, function( key, val ) {
        jQuery[val] = function() {
            o[key].apply( o, arguments );
        };
    });
})( jQuery );

$.publish('calculator.click', event)

$.subscribe( 'calculator.click', function(e){
    console.log('event click');
});