What will be the value of b after let b = null; b ??= 'default';?

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

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;

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 does let a = 2; a **= 3; evaluate to?

A). 8

B). 6

C). 5

D). 2

How do you write an assignment statement to increment a by 3 in JavaScript?

A). a += 3;

B). a = 3;

C). a == 3;

D). a + 3;

Which operator would you use to shift bits to the right and assign the result?

A). >>>=

B). >>=

C). <<=

D). &=

What does the += operator do?

A). Adds and assigns

B). Subtracts and assigns

C). Multiplies and assigns

D). Divides and assigns

What is the value of let a = 5; a *= 2 + 3;?

A). 25

B). 10

C). 15

D). 5

What is the result of let a = 5; a %= 2;?

A). 1

B). 2

C). 0

D). 5