Javascript
Quiz
•
Professional Development
•
1st Grade
•
Practice Problem
•
Hard
Марсель Валиуллин
Used 50+ times
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50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что покажет console.log
{h: "there"}
{g: "here"}
{h: "there", g: "here"}
null
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Что не является отдельным типом данных?
NaN
undefined
null
symbol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
there', 'here'
undefined, undefined
Error, Error
null, null
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что покажет console.log?
1, 2, 3
undefined, undefined, undefined
undefined, undefined, 3
undefined, 2, undefined
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Что покажет console.log?
1, 2, 3
undefined, undefined, undefined
undefined, undefined, 3
1, undefined, undefined
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Переменная обявленная через let...
не может быть изменена после объявления.
может хранить сразу несколько значений.
по умолчанию инициализируется значением undefined.
должна быть инициализирована значением.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Для приведения "MANGO" в нижний регистр используется метод,,,
"Mango".lowerCase()
"Mango".transform("lower-case")
"Mango".makeLowerCase()
"Mango".toLowerCase()
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