
JavaScript Basics Quiz
Authored by Leandro Oliveira
Instructional Technology
10th Grade
15 Questions
DOK Level 1: Recall covered
Used 5+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a sintaxe correta para criar uma função em JavaScript?
function myFunction {}
function myFunction() {}
function: myFunction() {}
myFunction function() {}
Tags
DOK Level 1: Recall
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é a maneira correta de declarar um array em JavaScript?
var myArray = "1, 2, 3";
var myArray = [1, 2, 3];
var myArray = (1, 2, 3);
var myArray = {1, 2, 3};
Tags
DOK Level 1: Recall
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você acessa o primeiro elemento de um array chamado `myArray`?
myArray[0]
myArray[1]
myArray.first()
myArray.get(0)
Tags
DOK Level 1: Recall
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que o seguinte código imprimirá? console.log("Hello" + " " + "World");
HelloWorld
Hello World
Hello
World
Tags
DOK Level 1: Recall
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é uma maneira correta de definir uma função com parâmetros em JavaScript?
function myFunction(param1, param2) {}
function myFunction(param1; param2) {}
function myFunction(param1 param2) {}
function myFunction(param1: param2) {}
Tags
DOK Level 1: Recall
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de retorno da seguinte função? function add(a, b) { return a + b; } console.log(add(2, 3));
2
3
5
undefined
Tags
DOK Level 1: Recall
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes afirmações é verdadeira sobre arrays em JavaScript?
Os arrays só podem conter números.
Os arrays podem conter diferentes tipos de dados.
Os arrays são imutáveis.
Os arrays não podem ser aninhados.
Tags
DOK Level 1: Recall
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