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¿Por qué se imprime "indefinido" en la consola?

Tengo el siguiente código JavaScript:

por favor ayuda

 let statement = ['Kim is a good, kind and smart boy']; let kim = { message () { console.log(statement); }, interest () { console.log('sports'); } } console.log(kim.message()); console.log(kim.interest());

Espero que debe imprimir esta salida:

 [ 'Kim is a good, kind and smart boy' ] sports

Pero en su lugar, imprime lo siguiente:

 [ 'Kim is a good, kind and smart boy' ] undefined sports undefined

¿Por qué imprime "indefinido" después de cada función dentro del método?

about 4 years ago · Juan Pablo Isaza
1 answers
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0

Supongo que estás llamando a console.log(kim.message()); y console.log(kim.interest());

console.log imprime el valor de retorno de la función pasada, pero debido a que ambas funciones no tienen una declaración de retorno, console.log imprime undefined , así es como ve esos registros undefined adicionales.

about 4 years ago · Juan Pablo Isaza Report
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