
Quiz de Introdução ao JavaScript
Quiz
•
Information Technology (IT)
•
11th Grade
•
Hard
WELTON DIAS
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo melhor descreve o JavaScript?
Uma linguagem de marcação usada para estruturar páginas web.
Uma linguagem de programação utilizada principalmente para tornar páginas web interativas.
Um banco de dados relacional.
Um sistema operacional para servidores.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes é um tipo de dado primitivo em JavaScript?
Array
Object
String
Function
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se declara uma variável em JavaScript usando a sintaxe mais moderna?
var nome = "João";
let nome = "João";
nome := "João";
int nome = "João";
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual comando é usado para exibir uma mensagem no console do navegador?
print("Olá Mundo");
echo("Olá Mundo");
console.log("Olá Mundo");
alert("Olá Mundo");
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo representa corretamente a criação de uma função em JavaScript?
function minhaFuncao() { }
def minhaFuncao() { }
func minhaFuncao() { }
function: minhaFuncao() { }
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da expressão: `typeof 42`?
"number"
"string"
"boolean"
"object"
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se acessa o valor "banana" no array abaixo? ```javascript let frutas = ["maçã", "banana", "laranja"]; ```
frutas[1]
frutas(1)
frutas{1}
frutas.1
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