Answer & Solution
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The unary operator + converts its operand to a number, so + '5' results in 5.</div>
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The unary operator + converts its operand to a number, so + '5' results in 5.</div>
What is the result of '20' - 10 in JavaScript?
A). 10
B). '10'
C). NaN
D). 20
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 will be the output of 20 / '5' in JavaScript?
A). 4
B). NaN
C). Infinity
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 result of 3 * 'A' in JavaScript?
A). Error
B). NaN
C). 0
D). 3
What is the purpose of the % operator in JavaScript?
A). Exponentiation
B). Division
C). Modulus
D). Concatenation
What will be the result of 5 == '5' in JavaScript?
A). 1
B). 0
C). Error
D). Undefined
What will be the output of 10 + '2' - 1 in JavaScript?
A). '101'
B). '10'
C). NaN
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 is the value of x after executing the code: let x = 10; x += 5; x /= 3;?
A). 5
B). 15
C). 33
D). 67