How do you call a function in JavaScript?

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

A). Boolean

B). Undefined

C). Null

D). Array

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})

What is an object in JavaScript?

A). A type of function

B). A collection of key-value pairs

C). A type of array

D). A type of boolean

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 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.

Which data type represents a collection of values in JavaScript?

A). Object

B). Array

C). String

D). Number

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 a function in JavaScript?

A). A variable

B). A loop

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

D). An object

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 a complex data type in JavaScript?

A). Number

B). Object

C). String

D). Boolean