Answer & Solution
Answer: Option A
Solution:
The += operator adds the right operand to the left operand and assigns the result to the left operand.
1.
What does the += operator do?
2.
What will be the value of x after let x = 5; x -= 2;?
3.
Which assignment operator is used to perform multiplication and assignment in one step?
4.
What does the ??= operator do?
5.
How do you write an assignment statement to increment a by 3 in JavaScript?
6.
What is the result of let a = 5; a %= 2;?
7.
Which operator would you use to shift bits to the right and assign the result?
8.
What does let a = 2; a **= 3; evaluate to?
9.
What will be the value of a after let a = 5; a /= 2;?
10.
How does the &= operator work in JavaScript?