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
What is the result of `let x = 10; x
A).
B). = 5;`?
C). 10
D). 5
What does the += operator do?
A). Adds and assigns
B). Subtracts and assigns
C). Multiplies and assigns
D). Divides and assigns
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
What will be the value of x after let x = 5; x -= 2;?
A). 7
B). 2
C). 3
D). 5
What will be the value of b after let b = null; b ??= 'default';?
A). null
B). 'default'
C). undefined
D). NaN
What is the result of let a = 5; a %= 2;?
A). 1
B). 2
C). 0
D). 5
Which assignment operator is used to perform multiplication and assignment in one step?
A). =*
B). *=
C). **=
D). //=
What does let e = 6; e <<= 1; evaluate to?
A). 3
B). 12
C). 6
D). 7
Which of the following operators is used to perform a logical AND assignment?
A). &&
B). &&=
C). &=
D). and=
What will be the value of c after `let c = 5; c
A). = 3;`?
B). 1
C). 3
D). 7