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

How do you define a function in JavaScript using a function declaration?

A). function myFunction() { /* code */ }

B). myFunction = function() { /* code */ }

C). myFunction() { /* code */ }

D). myFunction: function() { /* code */ }

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})

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

A). Boolean

B). Undefined

C). Null

D). Array

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 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

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

How do you call a function in JavaScript?

A). Using the execute() method

B). Using the call() method

C). Using the run() method

D). By using the function name followed by parentheses

What is the purpose of using functions as values in JavaScript?

A). To define object properties

B). To store strings and numbers

C). To perform a specific task or operation

D). To represent complex data structures

What is a function in JavaScript?

A). A variable

B). A loop

C). A block of code that performs a specific task

D). An object

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