
Programação_R1
Quiz
•
Computers
•
11th Grade
•
Practice Problem
•
Hard
ARTUR SCOLARI
Used 4+ times
FREE Resource
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da expressão typeof null em JavaScript?
null
object
undefined
boolean
string
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal vantagem do uso de Promises em JavaScript?
Evitar a execução de funções
Realizar chamadas assíncronas sem aninhar callbacks
Melhorar a performance de laços for
Manipular strings com mais eficiência
Garantir que funções sejam executadas sequencialmente
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes estruturas é utilizada para lidar com exceções em JavaScript?
try...except
try...catch
catch...finally
if...error
error...handle
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Em JavaScript, a palavra-chave ______ é usada para declarar uma variável que pode ser alterada.
const
let
var
static
final
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O método ______ é usado para adicionar um elemento ao final de um array em JavaScript.
push
pop
shift
unshift
append
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: A função ______ é usada para converter uma string em um número inteiro em JavaScript.
parseInt
parseFloat
toString
Number
Integer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: O operador ______ é usado para verificar a igualdade estrita em JavaScript.
==
===
!=
!==
=
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