Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number
Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
What is the data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object
What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error