
1- 4° JavaScript Quiz
Quiz
•
Information Technology (IT)
•
1st Grade
•
Practice Problem
•
Hard
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é uma variável em JavaScript?
Um tipo de dado
Um espaço na memória para armazenar valores
Um operador matemático
Um comando de repetição
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a sintaxe correta para declarar uma variável em JavaScript?
`var nome = "João";`
`variable nome = "João";`
`v nome = "João";`
`declare nome = "João";`
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes é um tipo de dado em JavaScript?
`string`
`numero`
`texto`
`caractere`
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você declara uma variável que não pode ser alterada em JavaScript?
`let`
`var`
`const`
`static`
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o tipo de dado de `true` e `false` em JavaScript?
`string`
`number`
`boolean`
`object`
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de `typeof 42` em JavaScript?
`string`
`number`
`boolean`
`undefined`
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o tipo de dado de `null` em JavaScript?
`object`
`undefined`
`null`
`boolean`
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