Q
What is the result of typeof [] in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The typeof operator in JavaScript returns 'object' when applied to an array, as arrays are considered a type of object in JavaScript.
Related Questions on Average

Which of the following represents a complex data type in JavaScript?

A). Boolean

B). Undefined

C). Null

D). Array

What is a complex data type in JavaScript?

A). Number

B). Object

C). String

D). Boolean

Which data type represents a collection of values in JavaScript?

A). Object

B). Array

C). String

D). Number

What does the push() method do when used with an array in JavaScript?

A). Removes the last element from the array.

B). Adds elements to the end of the array.

C). Adds elements to the beginning of the array.

D). Sorts the elements in the array.

How do you access a property of an object in JavaScript?

A). Using dot notation (objectName.propertyName)

B). Using square brackets (objectName['propertyName'])

C). Both A and B

D). Neither A nor B

What is the purpose of parameters in a function?

A). To store values

B). To specify the function name

C). To receive inputs and data

D). To create loops

What is the purpose of using arrays in JavaScript?

A). To store a single value

B). To store a collection of values

C). To define object properties

D). To create conditional statements

What is the purpose of using the length property with arrays in JavaScript?

A). To access the last element of the array.

B). To add elements to the array.

C). To determine the number of elements in the array.

D). To access the first element of the array.

What is the return statement used for in a function?

A). To stop the execution of the function

B). To specify the function's name

C). To return a value from the function

D). To define object properties

How do you access an array element at a specific index in JavaScript?

A). Using square brackets notation (arrayName[index])

B). Using dot notation (arrayName.elementName)

C). Using parentheses notation (arrayName(index))

D). Using curly braces notation (arrayName{index})