Answer & Solution
Answer: Option A
Solution:
The += operator increments a by the specified value (3 in this case).
Q
How do you write an assignment statement to increment a by 3 in JavaScript?
Related Questions on Average
Which of the following operators is used to perform a logical AND assignment?
A). &&
B). &&=
C). &=
D). and=
What will be the value of d after let d = true; d &&= false;?
A). 1
B). 0
C). NaN
D). undefined
What will be the value of a after let a = 5; a /= 2;?
A). 2
B). 5
C). 10
D). 0
What will be the value of c after `let c = 5; c
A). = 3;`?
B). 1
C). 3
D). 7
What is the result of let a = 5; a %= 2;?
A). 1
B). 2
C). 0
D). 5
How does the &= operator work in JavaScript?
A). Performs a logical AND
B). Performs a bitwise AND
C). Performs a bitwise OR
D). Performs a logical OR
How does the ^= operator work in JavaScript?
A). Performs a logical XOR
B). Performs a bitwise XOR
C). Performs a logical AND
D). Performs a bitwise AND
Which operator would you use to shift bits to the right and assign the result?
A). >>>=
B). >>=
C). <<=
D). &=
What does let a = 2; a **= 3; evaluate to?
A). 8
B). 6
C). 5
D). 2
What does the += operator do?
A). Adds and assigns
B). Subtracts and assigns
C). Multiplies and assigns
D). Divides and assigns