Answer & Solution
<div>The code is equivalent to x = x * (2 + 3), which evaluates to x = 5 * 5, resulting in x = 25.</div>
<div>The code is equivalent to x = x * (2 + 3), which evaluates to x = 5 * 5, resulting in x = 25.</div>
What will be the value of x after executing the code: let x = 10; x -= 2; x *= 3;?
A). 24
B). 30
C). 36
D). 12
What does the operator
A).
B). do in JavaScript?
C). Logical AND
D). Logical OR
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 unary operator + do to a string in JavaScript?
A). Concatenates it
B). Ignores it
C). Converts it to a number
D). Throws an error
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 output of '2' + 2 + 2 in JavaScript?
A). '222'
B). 6
C). 4
D). Error
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 output of '7' - 3 in JavaScript?
A). 4
B). '4'
C). NaN
D). Error
What will be the result of '10' + 10 in JavaScript?
A). '1010'
B). 20
C). NaN
D). Error
What will be the output of 20 / '5' in JavaScript?
A). 4
B). NaN
C). Infinity
D). Error