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
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). Adds and assigns
B). Subtracts and assigns
C). Multiplies and assigns
D). Divides and assigns
What will be the value of b after let b = null; b ??= 'default';?
A). null
B). 'default'
C). undefined
D). NaN
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 will be the value of c after `let c = 5; c
A). = 3;`?
B). 1
C). 3
D). 7
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 d after let d = true; d &&= false;?
A). 1
B). 0
C). NaN
D). undefined
How do you write an assignment statement to increment a by 3 in JavaScript?
A). a += 3;
B). a = 3;
C). a == 3;
D). a + 3;