What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
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 not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
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 output of typeof function() {}?
A). function
B). object
C). undefined
D). number
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
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List