
JavaScript Basics

Quiz
•
Computers
•
1st Grade
•
Hard
Vanessa Fernandes
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual palavra-chave é usada para declarar uma variável em JavaScript?
var
let
const
Todas as anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é uma maneira correta de declarar uma função em JavaScript?
function myFunction() {}
def myFunction() {}
func myFunction() {}
function: myFunction() {}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você cria um objeto em JavaScript?
var obj = {};
var obj = [];
var obj = new Object();
Ambos A e C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes NÃO é um nome de variável válido em JavaScript?
myVar
2ndVar
_myVar
$myVar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você chama uma função chamada `myFunction` em JavaScript?
chamar myFunction();
myFunction();
chamar função myFunction();
executar myFunction();
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a sintaxe correta para acessar o valor da propriedade `name` no objeto `person`?
person.name
person[name]
person->name
person::name
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a way to declare a constant variable in JavaScript?
var myConst = 10;
let myConst = 10;
const myConst = 10;
constant myConst = 10;
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