
Quiz de JavaScript e Node.js
Authored by JOAO MONTEIRO
Information Technology (IT)
12th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a saída do seguinte código JavaScript? ```javascript console.log(typeof null); ```
"object"
"null"
"undefined"
"boolean"
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes opções é uma maneira correta de declarar uma função assíncrona em JavaScript?
`function async minhaFuncao() {}`
`async function minhaFuncao() {}`
`function minhaFuncao() async {}`
`async minhaFuncao() function {}`
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que o método `setTimeout` faz em JavaScript?
Executa uma função imediatamente
Executa uma função após um determinado tempo
Cancela a execução de uma função
Executa uma função repetidamente em intervalos de tempo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes afirmações é verdadeira sobre o Node.js?
Node.js é um framework para desenvolvimento de front-end
Node.js é baseado no motor JavaScript V8 do Google
Node.js não suporta programação assíncrona
Node.js é usado exclusivamente para desenvolvimento de aplicativos móveis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a saída do seguinte código Node.js? ```javascript console.log(1); setTimeout(() => console.log(2), 0); console.log(3); ```
1 2 3
1 3 2
2 1 3
3 1 2
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