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Encontré esta pregunta en una entrevista de trabajo.

Se supone que las clases emisor y receptor envían y reciben mensajes. ¿Por qué el receptor no recibe ningún mensaje y cómo debo solucionarlo?

 const solution = (messages) => { class Emitter { constructor(messages = []) { this.messages = messages; this.event = () => {}; } setEvent(fn) { this.event = fn; } trigger() { this.messages.forEach(message => this.event(message)); } } class Receiver { constructor() { this.messages = []; } ping(message) { this.messages.push(message); } } let emi = new Emitter(messages); let rec = new Receiver(); emi.setEvent(rec.ping); emi.trigger(); console.log(rec.messages); // [] console.log(emi.messages) // ['hi','hola','hi','hola'] } solution(['hi','hola']);
about 4 years ago · Juan Pablo Isaza
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