Instructions for the events.emb.listeners method in node.js
- 2020-03-30 04:36:01
- OfStack
Method description:
All listeners that registered the specified event will be returned as an array.
Grammar:
emitter.listeners(event)
Receiving parameters:
Event The specified event
Example:
server.on('connection', function (stream) {
console.log('someone connected!');
});
console.log(util.inspect(server.listeners('connection')));
// [ [Function] ]
Source:
EventEmitter.prototype.listeners = function(type) {
var ret;
if (!this._events || !this._events[type])
ret = [];
else if (util.isFunction(this._events[type]))
ret = [this._events[type]];
else
ret = this._events[type].slice();
return ret;
};