What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
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). 8
B). 53
C). 8
D). Error
What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number
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 data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the output of typeof null?
A). null
B). undefined
C). object
D). number
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above