AV1\R1 3TEC_BE_Acesso a Propriedades em JavaScript 1 a 16

Quiz
•
Computers
•
1st Grade
•
Medium
EVERTON LUIZ
Used 15+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete a frase: Para adicionar uma nova propriedade a um objeto em JavaScript, usamos a notação de ____.
ponto
vírgula
parênteses
colchetes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete a frase: Para calcular a média de um array, a soma dos elementos deve ser dividida pelo _______.
número de elementos
maior elemento
menor elemento
primeiro elemento
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 'soma / notas.length' se 'soma' for 34 e 'notas.length' for 4?
8.5
34
4
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete a frase: O método ______ é usado para executar uma função em cada elemento de um array sem retornar um novo array.
filter()
reduce()
map()
forEach()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual método em JavaScript é usado para reduzir um array a um único valor?
filter()
reduce()
map()
forEach()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes laços é mais apropriado para percorrer os elementos de um array em JavaScript?
while
do...while
for
for...of
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete a frase: O laço ___ é usado para iterar sobre objetos iteráveis como arrays e strings.
while
do...while
for
for...of
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