What is the purpose of using the length property with arrays in JavaScript?

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

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 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 the result of typeof [] in JavaScript?

A). object

B). array

C). list

D). string

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 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 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 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

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.