INNER CODE UNIT · JavaScript
evt
primus/eventemitter3 · index.js:130
var evt = prefix ? prefix + event : event
, handlers = this._events[evt];
if (!handlers) return [];
if (handlers.fn) return [handlers.fn];
for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
ee[i] = handlers[i].fn;
}
return ee;
};
/**
* Return the number of listeners listening to a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Number} The number of listeners.