What does 'return this' achieve in a jQuery plugin?

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

A). this

B). $(this)

C). element

D). $(element)

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

A). $.fn.extend()

B). $.fn.add()

C). $.fn.plugin()

D). $.fn.new()

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

How can you extend an existing jQuery plugin with new methods?

A). $.fn.pluginName.newMethod = function()

B). $.pluginName.extend()

C). $.fn.extend(pluginName, newMethod)

D). $.extend(pluginName, newMethod)

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 the self-invoking function in jQuery plugins?

A). Encapsulation

B). Event binding

C). Animation

D). Ajax handling

What is the benefit of using the 'this.each()' method in a jQuery plugin?

A). Iterates through each element in the matched set

B). Selects a single element

C). Filters elements

D). Binds events

What does the $.each() method do in jQuery?

A). Iterates over elements

B). Filters elements

C). Binds events

D). Animates elements

How do you provide default settings for a jQuery plugin?

A). Using $.extend()

B). Using $.defaults()

C). Using $.settings()

D). Using $.config()