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¿Por qué map o for loop no dan su índice cuando el objeto se devuelve?

[1,2,3].mapa((n,k)=> {k:n})

En la ejecución anterior, la salida es bonita, no imprime k, ¿cuál es el truco aquí?

[1,2,3].mapa((n,k)=> consola.log(n,k))

¡Este funciona sin embargo!

about 4 years ago · Juan Pablo Isaza
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