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

What does the ??= operator do?

A). Logical AND assignment

B). Logical OR assignment

C). Nullish coalescing assignment

D). Bitwise AND assignment

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

A). 1

B). 2

C). 0

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;

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

A). 8

B). 6

C). 5

D). 2

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

A). 25

B). 10

C). 15

D). 5

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

A). >>>=

B). >>=

C). <<=

D). &=

Which of the following operators is used to perform a logical AND assignment?

A). &&

B). &&=

C). &=

D). and=

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

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