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¿Por qué se salta mi función de reducción de javascript?

mi última función reduceArr, ¿se está omitiendo?

cuando hago console.log me devuelven el newArry?

porque no se ejecuta??

 const sumAll = function(...args) { let newArr = [...args]; let sortedArr = newArr.sort(function(a,b) { return a - b; }) let lastArr = [''] for (let i = sortedArr[0]; i < sortedArr[1]; ++i ) { lastArr.push(i) } let reducedArr = lastArr.reduce(function(previousValue,currentValue) { return previousValue + currentValue; }) return reducedArr; }; console.log(sumAll(1,4));
about 4 years ago · Juan Pablo Isaza
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0

Su última reduce todavía funciona, solo agrega una cadena en lugar de un número porque init let lastArr = [''] con un elemento '' .

Actualícelo para let lastArr = [] . Verás el resultado final.

 const sumAll = function(...args) { let newArr = [...args]; let sortedArr = newArr.sort(function(a,b) { return a - b; }) let lastArr = [] for (let i = sortedArr[0]; i < sortedArr[1]; ++i ) { lastArr.push(i) } console.log(lastArr); let reducedArr = lastArr.reduce(function(previousValue,currentValue) { return previousValue + currentValue; }) return reducedArr; }; console.log(sumAll(1,4));

about 4 years ago · Juan Pablo Isaza Report

0

Simplemente puede escribir el código de manera más sucinta usando Array.from y reducir

NOTA: si desea agregar 1 + 2 + 3 + 4 si dice 1-4 , puede reemplazar

 Array.from({ length: end - start + 1 }, (_, i) => i + start) 

 const sumAll = function (a, b) { const [start, end] = a > b ? [b, a] : [a, b]; return Array.from({ length: end - start }, (_, i) => i + start) .reduce((acc, curr) => acc + curr); }; console.log(sumAll(1, 4)); console.log(sumAll(4, 1));

about 4 years ago · Juan Pablo Isaza Report
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