What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error