Answer & Solution
Answer: Option A
Solution:
In JavaScript, null and undefined are considered equal with the == operator.
Q
What is the result of null == undefined?
Related Questions on Average
What is the output of typeof null?
A). null
B). undefined
C). object
D). number
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
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 data type of true in JavaScript?
A). String
B). Boolean
C). Number
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 typeof function() {}?
A). function
B). object
C). undefined
D). number
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
What is the data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
C). toNumber()
D). parseStr()