Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
C). toNumber()
D). parseStr()
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error