Answer & Solution
Answer: Option C
Solution:
<div>The === operator in JavaScript performs a strict comparison, checking both value and type.</div>
Q
What does the operator === do in JavaScript?
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What will be the result of 5 == '5' in JavaScript?
A). 1
B). 0
C). Error
D). Undefined
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A). '101'
B). '10'
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What will be the value of x after executing the code: let x = 10; x -= 2; x *= 3;?
A). 24
B). 30
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A). 10
B). 25
C). 13
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A). Exponentiation
B). Division
C). Modulus
D). Concatenation
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 '7' - 3 in JavaScript?
A). 4
B). '4'
C). NaN
D). Error
What is the result of '20' - 10 in JavaScript?
A). 10
B). '10'
C). NaN
D). 20
What will be the output of '5' + 2 - 1 in JavaScript?
A). '52'
B). 6
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D). Error
What does the typeof operator return for an array in JavaScript?
A). 'array'
B). 'object'
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