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

Answer & Solution

Answer: Option A
Solution:
The push() method in JavaScript adds elements to the end of an array, expanding its length.
Related Questions on Average

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

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

A). To access the last element of the array.

B). To add elements to the array.

C). To determine the number of elements in the array.

D). To access the first element of the array.

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

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.

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

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 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.

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

A). Boolean

B). Undefined

C). Null

D). Array