El ambito de la variable permite definir lugar de accessibilidad de la información

Test Conocimiento JS

Quiz
•
Computers
•
Professional Development
•
Hard

Johlver Pardo
Used 11+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verdadero
Falso
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La funcion ____ permite obtener el tipo de dato de una variable en javaScript
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
age: 25
name: "Lenny"
occupation: "gardener"
age: 25
name: "John"
occupation: "gardener"
age: 25
name: "Albert"
occupation: "gardener"
age: 25
name: "Anna"
occupation: "gardener"
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las variables no son espacios donde se puede guardar información y asociarla a un determinado nombre.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
console.log() permite leer informacion desde el dispositivo de entrada (teclado)
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De los siguientes operadores cual permite comparar dos valores de forma estricta tanto en su contenido como en su tipo de dato.
=
==
===
====
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cual es la salida del siguiente codigo en JS:
let a = 1;
console.log(a);
function x() {
console.log(a);
let a = 5;
console.log(a);
console.log(window.a);
}
x();
console.log(a);
3
5
2
1
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