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

Answer & Solution

Answer: Option B
Solution:
Objects in JavaScript are indeed collections of key-value pairs, where each key is a unique identifier and each value can be of any data type.
Related Questions on Average

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

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 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

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.

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 a complex data type in JavaScript?

A). Number

B). Object

C). String

D). Boolean

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