Question 19What is wrong with the following code?1234567var house = { doors: 8, garage: 'Yes'} console.log(Object.keys(house)); 1 pointundefined'doors''garage'{ 'doors', 'garage' }[ 'doors', 'garage' ]20.Question 20
Question
Question 19What is wrong with the following code?1234567var house = { doors: 8, garage: 'Yes'} console.log(Object.keys(house)); 1 pointundefined'doors''garage'{ 'doors', 'garage' }[ 'doors', 'garage' ]20.Question 20
Solution
Para responder a la pregunta 19, primero debemos analizar el código proporcionado y entender qué se espera que haga.
El código es el siguiente:
var house = {
doors: 8,
garage: 'Yes'
}
console.log(Object.keys(house));
Este código define un objeto llamado house con dos propiedades: doors y garage. Luego, utiliza console.log para imprimir el resultado de Object.keys(house).
La función Object.keys devuelve un array de las propiedades enumerables de un objeto, en este caso, las claves del objeto house.
Por lo tanto, el resultado de Object.keys(house) será un array con las claves del objeto house, que son 'doors' y 'garage'.
El resultado esperado que se imprimirá en la consola es:
[ 'doors', 'garage' ]
Entonces, la respuesta correcta es:
[ 'doors', 'garage' ]
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