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¿Por qué el retorno de este código siempre devuelve indefinido incluso si paso un valor?

Escribí un programa para encontrar un valor específico de una matriz y devolver su posición en la matriz.

 function findBase(array, value) { array.forEach(function (v, i) { const length = Number(array.length) - 1; if (v == value) { console.log(i) return i; } else if (i == length) { return false; }; }); };

Aporte:

 var a; a = findBase([0,1,2,3], 2) console.log(a);

Producción:

 2 undefined

¿Hay alguna solución que no implique hacer una variable de alcance global?

about 4 years ago · Juan Pablo Isaza
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