Answer & Solution
Answer: Option B
Solution:
Arrays in JavaScript are a type of object, so typeof [1, 2, 3] returns 'object'.
Q
What will typeof [1, 2, 3] return?
Related Questions on Average
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
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 '5' + 3?
A). 8
B). 53
C). 8
D). Error
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number
Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean