
JavaScript ( review I )
Authored by Denys Kohut
Computers
Professional Development
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Як в JavaScript перевірити, чи рівні два значення та їх типи?
==
===
=
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Що таке "callback" функція в JavaScript?
Помилка у коді.
Функція, що передається в іншу функцію як параметр.
Зворотній дзвінок сервера.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який оператор використовується для присвоєння значення змінній?
==
=
===
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка конструкція використовується в JavaScript серед наведених нижче?
select
if
check
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Як у JavaScript створити масив?
const arr = (1,2,3);
const arr = [1, 2, 3];
const arr = {1, 2, 3};
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який метод масиву дозволяє додати елемент до кінця масиву?
array.unshift();
array.push();
array.pop();
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Що виведе наступний код: console.log(typeof "hello");
text
string
word
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