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 will be the value of d after let d = true; d &&= false;?
A). 1
B). 0
C). NaN
D). undefined
Which assignment operator is used to perform multiplication and assignment in one step?
A). =*
B). *=
C). **=
D). //=
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 is the result of let a = 5; a %= 2;?
A). 1
B). 2
C). 0
D). 5
What does let a = 10; a >>= 2; evaluate to?
A). 2
B). 4
C). 10
D). 5
What will be the value of b after let b = null; b ??= 'default';?
A). null
B). 'default'
C). undefined
D). NaN
Which operator would you use to shift bits to the right and assign the result?
A). >>>=
B). >>=
C). <<=
D). &=
What will be the value of a after let a = 5; a /= 2;?
A). 2
B). 5
C). 10
D). 0
What does the ??= operator do?
A). Logical AND assignment
B). Logical OR assignment
C). Nullish coalescing assignment
D). Bitwise AND assignment
What does let e = 6; e <<= 1; evaluate to?
A). 3
B). 12
C). 6
D). 7