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 does let a = 2; a **= 3; evaluate to?
A). 8
B). 6
C). 5
D). 2
What does the ??= operator do?
A). Logical AND assignment
B). Logical OR assignment
C). Nullish coalescing assignment
D). Bitwise AND assignment
What does let e = 6; e <<= 1; evaluate to?
A). 3
B). 12
C). 6
D). 7
What will be the value of x after let x = 5; x -= 2;?
A). 7
B). 2
C). 3
D). 5
What is the result of `let x = 10; x
A).
B). = 5;`?
C). 10
D). 5
What does let a = 10; a >>= 2; evaluate to?
A). 2
B). 4
C). 10
D). 5
What will be the value of b after let b = null; b ??= 'default';?
A). null
B). 'default'
C). undefined
D). NaN
How do you write an assignment statement to decrement a by 1 in JavaScript?
A). a =- 1;
B). a -= 1;
C). a == -1;
D). a = 1;
What will be the value of c after `let c = 5; c
A). = 3;`?
B). 1
C). 3
D). 7
What does the += operator do?
A). Adds and assigns
B). Subtracts and assigns
C). Multiplies and assigns
D). Divides and assigns