Which of the following variables takes precedence over the others if the names are the same in JavaScript?
Anonymous Quiz
46%
Global variable
30%
The local element
20%
The two of the above
4%
None of the above
Which of the following keywords is used to define a variable in Javascript?
Anonymous Quiz
36%
var
13%
let
49%
Both A and B
2%
None of the Above
Identify the correct syntax for declaring arrays in C++.
Anonymous Quiz
20%
array arr[10]
8%
array{10}
70%
int arr[10]
3%
int arr
Which data type in JavaScript is used to represent logical values?
Anonymous Quiz
11%
String
64%
Boolean
15%
Number
10%
Undefined
Identify the correct example for a pre-increment operator.
Anonymous Quiz
57%
++n
37%
++n
4%
- - n
2%
n - -
When an array is passed to a method, what does the method receive?
Anonymous Quiz
61%
The reference of the Array
18%
The copy of the Array
15%
Length of the Array
6%
Copy of the first element
What is the purpose of JavaScript in web development?
Anonymous Quiz
12%
To structure web pages
7%
To style web pages
74%
To add interactivity and dynamic content to web pages
6%
To store data on the server
What does the undefined value in JavaScript represent?
Anonymous Quiz
44%
An unassigned variable
41%
A null value
8%
A logical false
7%
An error condition
Which of the following loops is best when we know the number of iterations?
Anonymous Quiz
17%
While Loop
9%
Do While
54%
For Loop
20%
All of the Above
Which of the following scoping type does JavaScript use?
Anonymous Quiz
42%
Sequential
23%
Segmental
24%
Lexical
11%
Literal
What is the size of float and double in java?
Anonymous Quiz
75%
32 and 64
9%
32 and 32
12%
64 and 64
3%
64 and 32
Arrays in java are?
Anonymous Quiz
29%
Object References
24%
Objects
41%
Primitive Data Types
6%
None of these
How can we change the text color of an element?
Anonymous Quiz
20%
background-color
54%
color
22%
Both A and B
4%
None of the above
Which of the following types of loops are not supported in Python?
Anonymous Quiz
7%
for
6%
while
67%
do-while
20%
None of the above
As what datatype are the *args stored, when passed into a function?
Anonymous Quiz
34%
List
27%
Tuple
23%
Dictionary
16%
None of the above
Size of wchat_t is in C++ ?
Anonymous Quiz
13%
2
26%
4
26%
2 and 4
35%
Depends on number of bits in system