Q
Which data type represents a collection of values in JavaScript?

Answer & Solution

Answer: Option B
Solution:
Arrays represent a collection of values in JavaScript, where each value is indexed starting from 0.
Related Questions on Average

How can you remove the last element from an array in JavaScript?

A). Using the pop() method.

B). Using the shift() method.

C). Using the unshift() method.

D). Using the removeLast() method.

What is the result of typeof [] in JavaScript?

A). object

B). array

C). list

D). string

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 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

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.

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})

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.

What is a complex data type in JavaScript?

A). Number

B). Object

C). String

D). 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