Answer & Solution
Answer: Option B
Solution:
The &= operator performs a bitwise AND operation between the operands and assigns the result to the variable.
Q
How does the &= operator work in JavaScript?
Related Questions on Average
What does let e = 6; e <<= 1; evaluate to?
A). 3
B). 12
C). 6
D). 7
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 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 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
Which of the following operators is used to perform a logical AND assignment?
A). &&
B). &&=
C). &=
D). and=
What is the result of let a = 5; a %= 2;?
A). 1
B). 2
C). 0
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 does the ??= operator do?
A). Logical AND assignment
B). Logical OR assignment
C). Nullish coalescing assignment
D). Bitwise AND assignment