3TDS - Programação Backend - Aula 12
Quiz
•
Information Technology (IT)
•
12th Grade
•
Practice Problem
•
Hard
JOAO MONTEIRO
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual método de array em JavaScript é usado para adicionar um ou mais elementos ao final de um array?
`shift()`
`push()`
`unshift()`
`pop()`
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado o array `let numeros = [1, 2, 3, 4, 5];`, qual método de iteração pode ser usado para imprimir cada elemento no console?
`numeros.map()`
`numeros.filter()`
`numeros.forEach()`
`numeros.reduce()`
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual método de array é usado para criar um novo array com todos os elementos que passam em um teste implementado por uma função fornecida?
`map()`
`filter()`
`reduce()`
`forEach()`
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual método de array em JavaScript é usado para ordenar os elementos de um array em ordem crescente?
`sort()`
`reverse()`
`splice()`
`concat()`
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado o array `let numeros = [1, 2, 3, 4, 5];`, qual método de transformação pode ser usado para criar um novo array onde cada elemento é multiplicado por 2?
`numeros.map(num => num * 2)`
`numeros.filter(num => num * 2)`
`numeros.reduce((acc, num) => acc + num * 2, 0)`
`numeros.forEach(num => num * 2)`
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