Q
What is a complex data type in JavaScript?

Answer & Solution

Answer: Option B
Solution:
Complex data types in JavaScript are those that can store multiple values or data structures. Objects, arrays, and functions are examples of complex data types.
Related Questions on Average

How do you define a method within an object in JavaScript?

A). By using the function keyword followed by the method name and code block.

B). By using the method keyword followed by the method name and code block.

C). By using the define keyword followed by the method name and code block.

D). By using the process keyword followed by the method name and code block.

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 result of typeof [] in JavaScript?

A). object

B). array

C). list

D). string

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 define a function in JavaScript using a function declaration?

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

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

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

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

Which of the following statements accurately describes an object in JavaScript?

A). Objects are ordered collections of elements.

B). Objects are collections of key-value pairs.

C). Objects are sequences of characters.

D). Objects are single values.

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

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

How do you add an element to the end of an array in JavaScript?

A). Using the push() method

B). Using the add() method

C). Using the append() method

D). Using the end() method