¿Cuál es la forma correcta de declarar una constante en JavaScript?
Preguntas de JavaScript

Quiz
•
Computers
•
10th Grade
•
Medium
Saidy Mata
Used 7+ times
FREE Resource
41 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
var constanteValor = 25;
let constanteValor = 25;
const constanteValor = 25;
constant constanteValor = 25;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes afirmaciones sobre const es verdadera?
Puede ser reasignada después de su declaración.
Solo se puede usar dentro de una función.
Su valor no puede cambiar después de su declaración.
Solo se usa para cadenas de texto.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes expresiones determina si una variable edadUsuario es mayor de edad en JavaScript?
if edadUsuario => 21
if (edadUsuario >= 21)
if edadUsuario = 21+
if edadUsuario >= 21 then
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operador se usa para evaluar si una variable num es impar?
num % 2 == 1
num / 2 == 1
num // 2 == 1
num ** 2 == 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de 15 % 4?
4
3
0
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si let x = 12 y let y = 7, ¿cuál de las siguientes expresiones es falsa?
x > y
y < 15
x == y
x + y == 19
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la forma correcta de declarar una función en JavaScript?
function calcularArea() {}
def calcularArea() {}
function: calcularArea() {}
func calcularArea() {}
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