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EventEmitterでイベントリスナーを削除する

Posted at

追加は on だが削除は removeListener を使う。

var callback = (stream) => {
  console.log('someone connected!');
};
server.on('connection', callback);
// ...
server.removeListener('connection', callback);

関連

EventEmitter2では off が使えるらしい。
http://yosuke-furukawa.hatenablog.com/entry/2013/12/28/145647

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