What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
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 an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN