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Tengo una función y necesito saber cuándo devolverá verdadero y no falso

tengo esta funcion

 function riddle (parme) { if(parme !== parme) { return true; } return false; }

¿cuándo volverá verdadero (no sé el idioma)

about 4 years ago · Juan Pablo Isaza
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Solo hay un valor único en JS que no es igual a sí mismo, que es NaN . Resto en todos los casos, imprimirá false

Para verificar la igualdad de NaN , debe usar isNaN

 function riddle(parme) { if (parme !== parme) { return true; } return false; } console.log(riddle(NaN));

about 4 years ago · Juan Pablo Isaza Report
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