Néboa - lab-javascript-functions-and-arrays #3839
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| let sum = 0 | ||
| if (numbers.length === 0){ | ||
| return 0; | ||
| } else { | ||
| for (let i = 0; i<numbers.length; i++){ | ||
| let number = numbers[i] | ||
| sum += number; | ||
| } | ||
| } | ||
| return sum |
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| let sum = 0 | |
| if (numbers.length === 0){ | |
| return 0; | |
| } else { | |
| for (let i = 0; i<numbers.length; i++){ | |
| let number = numbers[i] | |
| sum += number; | |
| } | |
| } | |
| return sum | |
| if (numbers.length === 0){ | |
| return 0; | |
| } | |
| return sum(numbers); |
Ya que te has hecho el metodo sum! pues vamos a usarlo! :D
| let countChar = 0; | ||
| let countNum = 0; | ||
| let countBol = 0; | ||
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| if (mixedArr.length === 0) { | ||
| return 0; | ||
| } else { | ||
| for (let i = 0; i < mixedArr.length; i++) { | ||
| let element = mixedArr[i]; | ||
| if (typeof element === 'number') { | ||
| countNum += element; | ||
| } else if (typeof element === 'string') { | ||
| countChar += element.length; | ||
| } else if (typeof element === 'boolean'){ | ||
| countBol += element; | ||
| } else { | ||
| throw new Error("Unsupported data type sir or ma'am"); | ||
| } | ||
| } | ||
| } | ||
| let sumNumChar = countChar + countNum+ countBol; | ||
| return sumNumChar; |
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| let countChar = 0; | |
| let countNum = 0; | |
| let countBol = 0; | |
| if (mixedArr.length === 0) { | |
| return 0; | |
| } else { | |
| for (let i = 0; i < mixedArr.length; i++) { | |
| let element = mixedArr[i]; | |
| if (typeof element === 'number') { | |
| countNum += element; | |
| } else if (typeof element === 'string') { | |
| countChar += element.length; | |
| } else if (typeof element === 'boolean'){ | |
| countBol += element; | |
| } else { | |
| throw new Error("Unsupported data type sir or ma'am"); | |
| } | |
| } | |
| } | |
| let sumNumChar = countChar + countNum+ countBol; | |
| return sumNumChar; | |
| let count = 0; | |
| if (mixedArr.length === 0) { | |
| return 0; | |
| } else { | |
| for (let i = 0; i < mixedArr.length; i++) { | |
| let element = mixedArr[i]; | |
| if (typeof element === 'number' || typeof element === 'boolean') { | |
| count += element; | |
| } else if (typeof element === 'string') { | |
| count += element.length; | |
| } else { | |
| throw new Error("Unsupported data type sir or ma'am"); | |
| } | |
| } | |
| } | |
| return count; |
Bien!, entiendo perfectamente lo de las 3 variables, pero fijate la propia definicion del metodo te dice que es una suma, es decir que todo tendra que ser un numero!, por ello, si te creas una unica variable que sea de contador lo tendrias, ahora bien, veras que he puesto los numeros y los booleanos juntos, esto es porque si tu intentas sumar un booleano hace lo siguiente, true = 1 y false = 0, por ello si intentas hacer const x = 1 + true, x valdria 2! :D
| let countChar = 0; | ||
| let countNum = 0; | ||
| let countBol = 0; | ||
|
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| if (wordsArr.length === 0) { | ||
| return null; | ||
| } else { | ||
| for (let i = 0; i < wordsArr.length; i++) { | ||
| let element = wordsArr[i]; | ||
| if (typeof element === 'number') { | ||
| countNum += element; | ||
| } else if (typeof element === 'string') { | ||
| countChar += element.length; | ||
| } else if (typeof element === 'boolean'){ | ||
| countBol += element; | ||
| } | ||
| } | ||
| } | ||
| let sumNumChar = countChar + countNum + countBol; | ||
| return sumNumChar / wordsArr.length; |
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| let countChar = 0; | |
| let countNum = 0; | |
| let countBol = 0; | |
| if (wordsArr.length === 0) { | |
| return null; | |
| } else { | |
| for (let i = 0; i < wordsArr.length; i++) { | |
| let element = wordsArr[i]; | |
| if (typeof element === 'number') { | |
| countNum += element; | |
| } else if (typeof element === 'string') { | |
| countChar += element.length; | |
| } else if (typeof element === 'boolean'){ | |
| countBol += element; | |
| } | |
| } | |
| } | |
| let sumNumChar = countChar + countNum + countBol; | |
| return sumNumChar / wordsArr.length; | |
| return sum(wordsArr)/ wordsArr.length; |
Fijate!, has repetido todo el codigo que estaba en sum, pues entonces para ver la potencia de las funciones ejecutamos sum, repito, ejecutamos pasandole como argumento el array y listo!, tendriamos lo mismo!!! :D
| let sum = 0 | ||
| if (numbersAvg.length === 0){ | ||
| return null; | ||
| } else { | ||
| for (let i = 0; i < numbersAvg.length; i++) { | ||
| let number = numbersAvg[i]; | ||
| sum += number; | ||
| } | ||
| } | ||
|
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| return sum / numbersAvg.length; |
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Viendo las correcciones que te he puesto antes con la clase sum, este fragmento se podria hacer de otra forma no? mmmmm como lo harias???
| let count = 0; | ||
| if (wordsArr.length === 0){ | ||
| return null; | ||
| } else { | ||
| for (let i = 0; i < wordsArr.length; i++) { | ||
| let char = wordsArr[i]; | ||
| count += char.length; | ||
| } | ||
| } | ||
| return count / wordsArr.length; |
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Con este fragmento de codigo me pasa lo mismo!, esto se parece al metodo sum no? xD
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Solved lab + bonus