JavaScript ( part I )
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Hard
Denys Kohut
Used 1+ times
FREE Resource
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
що поверне функція outer() ?
60
302010
Error
undefined
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
console.log("1" + 2 + 3);
6
"123"
"15"
undefined
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який з цих циклів не існує в JavaScript?
for
do-while
loop
while
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яке значення буде у x після виконання коду?
true
false
1
NaN
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Що робить оператор "===" ?
Порівнює за значенням, ігноруючи тип
Порівнює як за значенням, так і за типом
Порівнює лише тип
Перетворює обидва порівнюваних значення у числа
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який буде результат?
2
"2"
Error
NaN
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яке значення буде у змінної a?
10
undefined
20
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