
Javascript basico

Quiz
•
Information Technology (IT)
•
1st - 5th Grade
•
Hard
bastian jorquera
Used 12+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la extensión correcta para los archivos de JavaScript?
.script
.javascript
.java
.js
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es la forma correcta de declarar una variable en JavaScript?
x = 10;
variable x;
let x;
var x;
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál de los siguientes operadores se utiliza para comparar dos valores sin realizar conversión de tipo?
==
!==
===
!=
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Completa el siguiente código para que imprima en la consola "Hola, Mundo!"
_______________("Hola, Rogelio!");
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué imprime en la consola el siguiente código? console.log(2 + "2");
22
4
NaN
undefined
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué operador se usa para encontrar el resto de una división en JavaScript?
**
//
%
/
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Completa el siguiente código para que la variable mensaje almacene el texto Hola, Mundo!
let mensaje = __________;
console.log(mensaje);
Hola, Mundo!
"Hola, Mundo!"
"mensaje = Hola, Mundo!"
console.log("Hola, Mundo!")
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la salida del siguiente código?
let x = 10;
x += 5;
console.log(x);
5
10
15
undefined
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
for (let i = 1; i __________ 5; i++) {
console.log(i);
}
<=
>
<
>=
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