
operadores
Authored by SILVIO HENRIQUES PEREIRA
Other
11th Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Em JavaScript, existe uma clara diferença entre os operadores =, == e ===. A correta definição é:
= igualdade
== atribuição
=== igualdade de valor e tipo
Não existe o operador ===
= atribuição
== igualdade de valor
=== igualdade de valor e tipo
= atribuição
== igualdade
=== igualdade também
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
São formas de se declarar uma variável do tipo string em JavaScript, exceto:
let palavra = 'DW1';
const palavra = 'DW1';
palavra == 'DW1';
var palavra = 'DW1';
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sabendo-se que JavaScript interpreta o código da esquerda para direita e de cima para baixo, temos que o resultado da expressão
(1 + 2 + 3 + " teste") = 6 teste
Qual seria o resultado da expressão:
("teste " + 1 + 2 + 3)
6 teste
"123 teste"
"teste 6"
"teste 123"
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Descreve corretamente todos os operadores lógicos disponíveis na linguagem JavaScript:
&& = AND
|| = OR
! = NOT
and = AND
or = OR
not = NOT
$$ = AND
// = OR
! = NOT
(.) = AND
(+) = OR
(~) = NOT
(x) = XOR
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na linguagem JavaScript, o operador === (três sinais de igualdade) realiza a comparação apenas do:
Tipo de Operandos.
Valor dos Operandos.
Conteúdo dos Operandos.
Valor lógico dos Operandos.
Valor e do tipo dos Operandos.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
No JavaScript é possível interagir com o console dos navegadores. O comando para imprimir o texto “JavaScript” no console é:
console.dump(“JavaScript”);
console.print(“JavaScript”);
console.log(“JavaScript”);
console.echo(“JavaScript”);
console.info(“JavaScript”);
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