Which of the following represents a string value in JavaScript?
A). {name: 'John', age: 30}
B). 42
C). 'Hello, World!'
D). 1
Which of the following represents a numeric value in JavaScript?
A). 'Hello'
B). 1
C). 42
D). [1, 2, 3]
What is the value of the expression !(5 > 3) in JavaScript?
A). 1
B). 0
C). Error
D). null
What is the data type of the value 'Hello, World!' in JavaScript?
A). Number
B). String
C). Boolean
D). Array
What data type does the value true represent in JavaScript?
A). Number
B). String
C). Boolean
D). Object
What is the value of the expression true && false in JavaScript?
A). 1
B). 0
C). Error
D). null
What is the result of the expression 5 * '3' in JavaScript?
A). 15
B). '15'
C). Error
D). 53
What is the value of the expression (true
A).
B). false) && (true && false) in JavaScript?
C). 1
D). 0
Which of the following represents an array in JavaScript?
A). {name: 'John', age: 30}
B). 'Hello'
C). [1, 2, 3]
D). 1
What is the value of the expression 5 + 5 + '10' in JavaScript?
A). 20
B). '510'
C). '15'
D). 15