JavaScript Básico

Quiz
•
Computers
•
Professional Development
•
Hard
Rafael Queiróz
Used 13+ times
FREE Resource
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
Dado o Array abaixo, qual elemento se encontra no índice 2?
70
140
15
35
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