
Js overview
Quiz
•
Professional Development
•
12th Grade
•
Practice Problem
•
Medium
quân hồng
Used 11+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Đâu là ký hiệu lấy phần dư trong JS?
%
$
#
*
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Js có phân biệt hoa thường không?
Có
Không
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Có bao nhiêu cách nhúng mã JS vào trang web?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kết quả biểu thức: 9**2
18
3
9
81
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kết quả phép tính sau: "1" + 2
3
12
"1"2
2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
let a = 5
let b = a++
let c = ++a
Kết quả b =?; c= ?
b = 5; c = 7
b= 5; c = 5
b= 6; c = 6
b = 6; c = 7
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Có bao nhiêu kiểu dữ liệu trong JS?
5
6
7
8
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