Answer & Solution
<div>The code x -= 2 is equivalent to x = x - 2, which results in x = 10 - 2 = 8. Then, x *= 3 is equivalent to x = x * 3, which results in x = 8 * 3 = 24.</div>
<div>The code x -= 2 is equivalent to x = x - 2, which results in x = 10 - 2 = 8. Then, x *= 3 is equivalent to x = x * 3, which results in x = 8 * 3 = 24.</div>
What will be the output of '2' + 2 + 2 in JavaScript?
A). '222'
B). 6
C). 4
D). Error
What will be the output of '5' + 2 - 1 in JavaScript?
A). '52'
B). 6
C). '4'
D). Error
What is the value of x after executing the code: let x = 5; x *= 2 + 3;?
A). 10
B). 25
C). 13
D). 15
What does the operator === do in JavaScript?
A). Checks for equality without type conversion
B). Assigns a value
C). Performs a strict comparison
D). Concatenates strings
What does the operator
A).
B). do in JavaScript?
C). Logical AND
D). Logical OR
What will be the output of 10 + '2' - 1 in JavaScript?
A). '101'
B). '10'
C). NaN
D). Error
What will be the result of 3 * 'A' in JavaScript?
A). Error
B). NaN
C). 0
D). 3
What will be the value of x after executing the code: let x = 5; x += '2';?
A). 7
B). '72'
C). 52
D). NaN
What will be the result of '10' + 10 in JavaScript?
A). '1010'
B). 20
C). NaN
D). Error
What is the purpose of the % operator in JavaScript?
A). Exponentiation
B). Division
C). Modulus
D). Concatenation