What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error
How do you declare a variable with an undefined value?
A). let x;
B). let x = '';
C). let x = 0;
D). let x = null;
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the output of typeof null?
A). null
B). undefined
C). object
D). number
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
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). {}