Which method is used to extend jQuery's functionality by adding a plugin?

In a jQuery plugin, how do you select the current element?

A). this

B). $(this)

C). element

D). $(element)

What is the primary purpose of jQuery plugins?

A). Extend jQuery's prototype object

B). Simplify HTML documents

C). Manage CSS styles

D). Enhance server-side scripting

How can you pass options to a jQuery plugin?

A). As an object

B). As a string

C). As an array

D). As a number

What is the purpose of using the $.fn object in jQuery plugins?

A). To access jQuery prototype

B). To access the DOM directly

C). To handle events

D). To create HTML elements

What does the $.extend() method do in a jQuery plugin?

A). Merge objects

B). Create animations

C). Handle events

D). Perform Ajax requests

Which jQuery method is used to apply a plugin to selected elements?

A). $(selector).pluginName()

B). $(selector).usePlugin()

C). $(selector).applyPlugin()

D). $(selector).newPlugin()

What is the purpose of the self-invoking function in jQuery plugins?

A). Encapsulation

B). Event binding

C). Animation

D). Ajax handling

How can you ensure a jQuery plugin does not conflict with other libraries?

A). Use noConflict()

B). Use unique variable names

C). Avoid global variables

D). Use namespaces

What is a common use of jQuery plugins?

A). Enhancing user interfaces

B). Connecting to databases

C). Server-side scripting

D). File handling

How can you make a jQuery plugin reusable across different projects?

A). Encapsulate in a function

B). Hard-code values

C). Avoid comments

D). Use global variables