
JS - вопросы о главном
Flashcard
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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8 questions
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1.
FLASHCARD QUESTION
Front
Что такое объект в JS?
Back
Структура, которая объединяет пары ключ-значение
2.
FLASHCARD QUESTION
Front
Какой из методов массива добавит в него новый элемент? arr.pop(), arr.append(), arr.add(), arr.push()
Back
arr.push()
3.
FLASHCARD QUESTION
Front
Как правильно создать объект в JS? Options: let student = [ name: "Vasya"; age: 15;];, let student = { name: "Vasya"; age: 15;};, let student = { name = "Vasya", age = 15};, let student = { name: "Vasya", age: 15};
Back
let student = { name: "Vasya", age: 15};
4.
FLASHCARD QUESTION
Front
Как создать массив в JS?
Back
let arr = []
5.
FLASHCARD QUESTION
Front
Какой метод может удалить элемент из массива?
Back
splice
6.
FLASHCARD QUESTION
Front
Выведет ли данный код все элементы массива в консоль?
Back
Нет
7.
FLASHCARD QUESTION
Front
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);}.
Back
for(let key in student){ console.log(student[key]);}
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