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¿Por qué mi primera expresión se evalúa como falsa y mi segunda se evalúa como verdadera? ¿No deberían ser iguales?

Digamos que error.message = 'user_not_found'

 console.log( error.message === 'user_not_found' || error.message === 'password_missing_onboarding_incomplete' ? false : true );

Esto devuelve false y funciona bien.

Intenté acortar esto a:

 console.log(error.message !== 'user_not_found' || error.message !== 'password_missing_onboarding_incomplete');

Lo cual supuse que funcionaría igual, pero en cambio devolvió true . ¿Me estoy perdiendo de algo?

about 4 years ago · Santiago Gelvez
2 answers
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0

el negativo de

 error.message === 'user_not_found' || error.message === 'password_missing_onboarding_incomplete'

es

 error.message !== 'user_not_found' && error.message !== 'password_missing_onboarding_incomplete'
about 4 years ago · Santiago Gelvez Report

0

solo agrupa la lógica y luego niégala

 console.log(!(error.message === 'user_not_found' || error.message === 'password_missing_onboarding_incomplete'));

si estuviera lleno seria

 let result = !( error.message === 'user_not_found' || error.message === 'password_missing_onboarding_incomplete' );
about 4 years ago · Santiago Gelvez Report
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