
Quiz de Lógica em JavaScript
Quiz
•
Other
•
9th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a saída do seguinte código JavaScript? ```javascript let x = 10; if (x > 5) { x = x * 2; } console.log(x); ```
5
10
20
15
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual estrutura de controle é usada para repetir um bloco de código enquanto uma condição for verdadeira?
if
switch
for
while
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você acessa o terceiro elemento de um array chamado `numeros` em JavaScript?
numeros[2]
numeros[3]
numeros(3)
numeros{2}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual evento JavaScript é acionado quando um usuário clica em um elemento?
onmouseover
onclick
onkeydown
onload
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No desenvolvimento com jp5, qual função é usada para desenhar um círculo?
ellipse()
circle()
rect()
line()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a saída do seguinte código JavaScript? ```javascript let a = [1, 2, 3]; a.push(4); console.log(a); ```
[1, 2, 3]
[1, 2, 3, 4]
[4, 1, 2, 3]
[1, 2, 4]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função de um algoritmo em programação?
Armazenar dados
Executar operações matemáticas
Resolver problemas de forma sistemática
Criar interfaces de usuário
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