Что такое объект в JS?

JS - вопросы о главном

Quiz
•
Computers
•
9th - 12th Grade
•
Hard
Екатерина Михайлова
Used 3+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Структура данных, позволяющая создавать массивы
Структура, которая хранит коллекцию индексов и значений
Структура, которая объединяет пары ключ-значение
Просто какой-то тип данных
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какой из методов массива добавит в него новый элемент?
arr.pop()
arr.append()
arr.add()
arr.push()
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Как правильно создать объект в JS?
let student = [ name: "Vasya"; age: 15;];
let student = { name: "Vasya"; age: 15;};
let student = { name = "Vasya", age = 15};
let student = { name: "Vasya", age: 15};
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как создать массив в JS?
int arr[]
let arr = []
let arr[]
Да создастся массив, сим-салабим-ахалай-махалай!
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какой метод может удалить элемент из массива?
splice
slice
remove
delete
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выведет ли данный код все элементы массива в консоль?
Да
Нет
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите вариант кода, который выведет в консоль значения всех свойств объекта student
for(let key in student){ console.log(student.key);}
for(let i=0; i<student.length; i++){ console.log(student[i]);}
for(let key in student){ console.log(student[key]);}
for(let i=0; i<student.length; i++){ console.log(student.i);}
8.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Как можно получить доступ к свойству hp объекта hero?
hero[hp], hero['hp'], hero.hp
hero->hp, hero["hp"], hero(hp)
hero["hp"], hero.hp, hero(hp)
hero.hp, hero['hp'], hero["hp"]
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