How does the &= operator work in JavaScript?

What will be the value of x after let x = 5; x -= 2;?

A). 7

B). 2

C). 3

D). 5

Which assignment operator is used to perform multiplication and assignment in one step?

A). =*

B). *=

C). **=

D). //=

What is the result of `let x = 10; x

A).

B). = 5;`?

C). 10

D). 5

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

A). 1

B). 2

C). 0

D). 5

What will be the value of a after let a = 5; a /= 2;?

A). 2

B). 5

C). 10

D). 0

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

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

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

A). 25

B). 10

C). 15

D). 5

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

A). null

B). 'default'

C). undefined

D). NaN