¿Cuál es la forma correcta de escribir un mensaje en la consola del navegador en JavaScript?
Cuestionario de JavaScript - Fundamentos

Quiz
•
Computers
•
12th Grade
•
Hard
David Alvarez
Used 2+ times
FREE Resource
60 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
log.console("Hola Mundo")
console.log("Hola Mundo")
alert.console("Hola Mundo")
console("Hola Mundo")
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes NO es un tipo de dato primitivo en JavaScript?
Number
String
Object
Boolean
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Para qué se utiliza let en JavaScript?
Para crear una constante
Para declarar una variable de bloque
Para importar una librería externa
Para ejecutar funciones automáticamente
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué resultado devuelve la expresión typeof "Hola" en JavaScript?
object
text
string
char
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la diferencia entre var y let en JavaScript?
var no existe en JavaScript moderno
let se puede usar sin declarar
let respeta el alcance de bloque y var no
var es solo para números y let para texto
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué etiqueta HTML se usa para incluir código JavaScript?
'<js>'
'<javascript>'
'<script>'
'<h1>'
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué hace el método alert("Hola") en una página web?
Cambia el fondo a negro
Muestra un cuadro de advertencia
Imprime "Hola" en la consola
Oculta un elemento HTML
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