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¿Cuál es el caso de uso de la clase "insertar" dentro de otra clase a través de prototipo en javascript?

Teniendo este ejemplo:

 class A { fooA() { console.log("fooA"); } printFooBFromA() { const b = new this.B(); b.fooB(); } } class B { fooB() { console.log("fooB"); } } A.prototype.B = B; const a = new A(); a.printFooBFromA();

¿Cuál es el caso de uso de tal escenario? ¿Por qué uno querría insertar otra clase retrospectivamente?

about 4 years ago · Juan Pablo Isaza
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