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 e = 6; e <<= 1; evaluate to?
A). 3
B). 12
C). 6
D). 7
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). //=
What does the += operator do?
A). Adds and assigns
B). Subtracts and assigns
C). Multiplies and assigns
D). Divides and assigns
What will be the value of c after `let c = 5; c
A). = 3;`?
B). 1
C). 3
D). 7
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
Which of the following operators is used to perform a logical AND assignment?
A). &&
B). &&=
C). &=
D). and=
What does the ??= operator do?
A). Logical AND assignment
B). Logical OR assignment
C). Nullish coalescing assignment
D). Bitwise AND assignment
What does let a = 10; a >>= 2; evaluate to?
A). 2
B). 4
C). 10
D). 5