JavaScript Básico

JavaScript Básico

Professional Development

21 Qs

quiz-placeholder

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JavaScript Básico

JavaScript Básico

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

Rafael Queiróz

Used 13+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

O Operador de Incremento ++, soma em uma variável numérica o número

0

1

2

3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Das alternativas abaixo qual representa os Operadores Unários?

+ - * /

> < >= <=

&& || !

++X --X X++ X--

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Das alternativas abaixo qual representa os Operadores Relacionais?

+ - * /

> < >= <=

&& || !

++X --X X++ X--

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dadas 2 variáveis do tipo String A = "2" e B = "2" qual será o resultado da operação A + B?

16

4

22

8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x += 2 é equivalente a...

x = x + 2

x = x - 2

x = 2

NDA

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o resultado da expressão (!(5 != 5)) ?

FALSO

NULL

VERDADEIRO

ERRO

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Dado o Array abaixo, qual elemento se encontra no índice 2?

70

140

15

35

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