What is the primary purpose of jQuery plugins?

How do you ensure a jQuery plugin supports method chaining?

A). Return this

B). Use $.fn.chain

C). Call the chain() method

D). Use return false

How do you provide default settings for a jQuery plugin?

A). Using $.extend()

B). Using $.defaults()

C). Using $.settings()

D). Using $.config()

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

A). this

B). $(this)

C). element

D). $(element)

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 purpose of the self-invoking function in jQuery plugins?

A). Encapsulation

B). Event binding

C). Animation

D). Ajax handling

How can you hide an element using a jQuery plugin?

A). this.hide()

B). this.visible(false)

C). this.remove()

D). this.display('none')

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

A). Merge objects

B). Create animations

C). Handle events

D). Perform Ajax requests

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

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()

What is a common use of jQuery plugins?

A). Enhancing user interfaces

B). Connecting to databases

C). Server-side scripting

D). File handling