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 value of x after executing the code: let x = 10; x /= 2;?
A). 5
B). 20
C). 0
D). 2
What does the operator
A).
B). do in JavaScript?
C). Logical AND
D). Logical OR
What does the typeof operator return for an array in JavaScript?
A). 'array'
B). 'object'
C). 'null'
D). 'undefined'
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 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 is the value of x after executing the code: let x = 10; x += 5; x /= 3;?
A). 5
B). 15
C). 33
D). 67
What will be the result of 10 + '5' in JavaScript?
A). 15
B). 105
C). NaN
D). Error
What will be the output of '2' + 2 + 2 in JavaScript?
A). '222'
B). 6
C). 4
D). Error