
Variáveis e Palavras Reservadas em JS
Quiz
•
Instructional Technology
•
2nd Grade
•
Practice Problem
•
Hard
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a palavra reservada em JavaScript usada para declarar uma variável que pode ser alterada posteriormente?
const
let
var
function
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual palavra reservada é usada para declarar uma variável que não pode ser alterada após sua atribuição inicial?
var
let
const
if
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes opções é uma maneira correta de declarar uma variável em JavaScript?
variable x = 10;
var x = 10;
x := 10;
int x = 10;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a palavra reservada usada para declarar uma variável que tem escopo de bloco?
var
let
const
function
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes palavras reservadas não é usada para declarar variáveis em JavaScript?
var
let
const
define
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a palavra reservada usada para declarar uma variável que tem escopo de função?
var
let
const
class
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes opções é uma declaração correta de variável usando a palavra reservada "const"?
const x;
const x = 5;
const x == 5;
const x : 5;
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